CN212712330U - Cross crossbeam removes portal - Google Patents
Cross crossbeam removes portal Download PDFInfo
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- CN212712330U CN212712330U CN202021252732.7U CN202021252732U CN212712330U CN 212712330 U CN212712330 U CN 212712330U CN 202021252732 U CN202021252732 U CN 202021252732U CN 212712330 U CN212712330 U CN 212712330U
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Abstract
The utility model relates to a remove the portal, concretely relates to cross crossbeam removes portal. A cross beam moving portal frame comprises a supporting assembly, a moving assembly and a hoisting assembly, wherein the supporting assembly comprises a beam and a vertical beam, the vertical beam comprises a first vertical beam and a second vertical beam, and the beam, the first vertical beam and the second vertical beam form a supporting frame; the moving assembly comprises a plurality of universal wheels, and the universal wheels are respectively arranged at the bottoms of the first vertical beam and the second vertical beam; the hoisting assembly comprises a hand winch, a pulley block, a lifting rope, a lifting claw and a cross beam, and the lifting rope is inserted in the pulley block; the cross beam comprises a first cross column, a second cross column and a plurality of lifting hooks, the first cross column and the second cross column are arranged in a cross mode to form a cross structure, and the lifting claws are connected with the cross beam. The utility model provides a remove the portal and be provided with the cross crossbeam, set up a plurality of lifting hooks on the cross crossbeam, can be connected a plurality of positions in the heavy object with the lifting hook on the cross crossbeam, make the heavy object removal process more steady.
Description
Technical Field
The utility model relates to a remove the portal, concretely relates to cross crossbeam removes portal.
Background
The movable gantry is movable light and small hoisting equipment. The main beam of the movable gantry is made of I-shaped steel and other sectional materials, and can bear load and serve as a transverse moving track of the hoist. The universal loading wheel is arranged under the supporting leg of the portal frame and can move all around on the flat ground.
In the prior art, the hanging claws of the movable door frame are hook-shaped, the hook-shaped hanging claws are often connected with one point on a heavy object when the heavy object is hung in the air, and the heavy object is easy to shake or even fall off in the process of transporting the heavy object in the connection mode, so that certain danger is caused.
Therefore, the development of the movable gantry capable of stably connecting the hoisted objects is very important.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a cross crossbeam moving gantry and application method thereof.
A cross beam moving portal frame comprises a supporting component, a moving component and a hoisting component, wherein
The supporting assembly comprises a cross beam and a vertical beam, the vertical beam comprises a first vertical beam and a second vertical beam, the cross beam, the first vertical beam and the second vertical beam form a supporting frame, one end of the cross beam is fixedly connected with the first vertical beam, and the other end of the cross beam is fixedly connected with the second vertical beam;
the moving assembly comprises a plurality of universal wheels, and the universal wheels are respectively arranged at the bottoms of the first vertical beam and the second vertical beam;
the hoisting assembly comprises a hand winch, a pulley block, a hoisting rope, a hoisting claw and a cross beam, the hoisting rope is inserted in the pulley block, the pulley block comprises a fixed pulley and a movable pulley, the fixed pulley is fixed on the beam, and the movable pulley is arranged on the hoisting claw; the lifting rope is connected with the lifting claw through a movable pulley and is connected with a hand winch through a fixed pulley, and the hand winch is fixed in the middle of the upright post;
the cross crossbeam includes first spreader, second spreader and a plurality of lifting hook, first spreader and second spreader cross arrangement form cross structure, the lifting claw includes two first trapezoidal thin plates, two apex angle departments of first trapezoidal thin plate set up the movable pulley, the movable pulley is fixed in on two first trapezoidal thin plates through bolt and nut cooperation, the lifting rope passes through the movable pulley and is connected with the lifting claw, the base angle of first trapezoidal thin plate passes through the bolt and nut cooperation and is connected with the flat crossbeam of cross, the lifting hook sets up the tip at first spreader and second spreader respectively.
Further, the lifting claw is connected with the cross connection department fixed connection of cross crossbeam, and the cross crossbeam is connected with the controller, and the cross crossbeam includes four spreader columns and fixing base, and every spreader column tip is connected with the electronic gear on the cross fixing base through the gear, and the tip of every spreader column is provided with the lifting hook, and electronic gear is connected with the controller and is driven the cross crossbeam removal and change the cross contained angle of cross crossbeam by controller control.
Further, the controller presets the contained angle adjustment strategy according to the characteristic that the heavy object was got to required clamp, and at the in-process of drawing the heavy object, the controller is according to presetting contained angle adjustment strategy control cross crossbeam automatically regulated crossing contained angle.
Furthermore, the crossbeam is provided with first reinforcing plate with first perpendicular roof beam and the perpendicular roof beam junction of second, and first reinforcing plate includes two trapezoidal sheets of second, and two trapezoidal sheets of second pass through the cooperation of bolt and nut to be fixed and form first reinforcing plate in the crossbeam and the first junction of erecting the roof beam and the perpendicular roof beam of second.
Furthermore, erect the roof beam and include stand and triangular structure, stand lower part and triangular structure's apex angle department fixed connection, two base angle departments of triangular structure set up the universal wheel respectively.
Furthermore, the junction of stand and triangular structure is provided with the second reinforcing plate, and the second reinforcing plate includes two trapezoidal sheets of third, and two trapezoidal sheets of third are fixed in the junction of stand and triangular structure through the cooperation of bolt and nut and form the second reinforcing plate.
Furthermore, the support rod is rectangular, and the end parts of the support rod are respectively fixed on the bottom edges of the first vertical beam and the second vertical beam corresponding to the triangular structures.
Further, at least two supporting rods are included.
Furthermore, a first horizontal cross beam is arranged in the middle of one of the triangular structures, a second horizontal cross beam is arranged in the middle of the other triangular structure, the first horizontal cross beam and the second horizontal cross beam are cuboid, and two ends of the first horizontal cross beam and two ends of the second horizontal cross beam are arranged in the middle of the two triangular structures in a matched mode through nuts and bolts.
A use method of a cross beam moving door frame is characterized by comprising the following steps:
(1) placing the cross beam moving portal frame around a heavy object to be transported, and locking the universal wheels to fix the cross beam moving portal frame;
(2) shaking a hand winch, driving a cross beam to move through a pulley block by the hand winch, wherein the cross beam comprises a first cross column, a second cross column and a plurality of lifting hooks, the first cross column and the second cross column are arranged in a crossed manner to form a cross structure, each lifting claw comprises two first trapezoidal thin plates, movable pulleys are arranged at two top corners of each first trapezoidal thin plate, the movable pulleys are fixed on the two first trapezoidal thin plates in a matched manner through bolts and nuts, a lifting rope is connected with the lifting claws through the movable pulleys, the bottom corners of the first trapezoidal thin plates are connected with the lifting hooks connected with the cross flat beam through the matched manner of the bolts and the nuts and are respectively arranged at the end parts of the first cross column and the second cross column, and when the cross beam moves to the vicinity of a heavy object, the lifting;
(3) shaking the hand winch to lift the heavy object, stopping shaking the hand winch after the heavy object is lifted to a certain height, and fixing the heavy object;
(4) the universal wheels are started, the moving gantry with the cross beam is pushed to the designated delivery site, and the heavy objects are unloaded.
Compared with the prior art, the utility model discloses following beneficial effect is reached.
(1) The utility model provides a cross crossbeam moving gantry connects the cross crossbeam in moving gantry's lifting claw department, sets up a plurality of lifting hooks on the cross crossbeam, when hoist and mount heavy object, can be connected a plurality of positions in the heavy object with the lifting hook on the cross crossbeam, compares with hanging a position directness of heavy object on the lifting claw, can make the heavy object removal process more stable.
(2) The utility model provides a cross crossbeam moving gantry's application method, the utility model provides a moving gantry can carry out electric control to moving gantry through the controller in the use, has improved convenience and the intelligent degree that moving gantry used.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a cross beam moving gantry according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a state of the cross beam moving gantry according to an embodiment of the present invention;
FIG. 3 is a schematic view of a lifting claw and a cross beam according to an embodiment of the present invention;
the lifting device comprises a support assembly 1, a cross beam 11, a vertical beam 12, a first vertical beam 121, a second vertical beam 122, a first reinforcing plate 123, a second reinforcing plate 124, a supporting rod 125, a first horizontal beam 126, a second horizontal beam 127, a moving assembly 2, a hoisting assembly 3, a hand winch 31, a pulley block 32, a fixed pulley 321, a movable pulley 322, a lifting rope 33, a lifting claw 34, a cross beam 35, a first cross column 351, a cross column 352, a second cross column 353 and a hook.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As an embodiment of the present invention, as shown in fig. 1-3, the cross beam moving gantry provided by the present invention comprises a supporting component 1, a moving component 2 and a hoisting component 3, wherein the supporting component 1 comprises a beam 11 and a vertical beam 12, the vertical beam 12 comprises a first vertical beam 121 and a second vertical beam 122, the beam 11, the first vertical beam 121 and the second vertical beam 122 form a supporting frame, one end of the beam 11 is fixedly connected to the first vertical beam 121, and the other end is fixedly connected to the second vertical beam 122; the support assembly 1 constitutes a support structure of the moving gantry.
The moving assembly 2 comprises a plurality of universal wheels, the universal wheels are respectively arranged at the bottoms of the first vertical beam 121 and the second vertical beam 122, and the universal wheels can drive the moving gantry to move.
The hoisting assembly 3 comprises a hand winch 31, a pulley block 32, a lifting rope 33, a lifting claw 34 and a cross beam 35, the lifting rope 33 is inserted in the pulley block 32, the pulley block 32 comprises a fixed pulley 321 and a movable pulley 322, the fixed pulley 321 is fixed on the beam 11, and the movable pulley 322 is arranged on the lifting claw 34; the lifting rope 33 is connected with the lifting claw 34 through a movable pulley 322 and is connected with the hand winch 31 through a fixed pulley 321, and the hand winch 31 is fixed in the middle of the upright post; the hoisting assembly 3 is used for hoisting a heavy object, and the height of the hoisted heavy object is adjusted by shaking the hand winch 31.
The cross beam 35 includes first spreader 351, second spreader 352 and a plurality of lifting hook 353, first spreader 351 and second spreader 352 cross arrangement form cross structure, lifting claw 34 includes two first trapezoidal thin plates, two apex angle departments of first trapezoidal thin plate set up movable pulley 322, movable pulley 322 is fixed in on two first trapezoidal thin plates through bolt and nut cooperation, the lifting rope passes through movable pulley 322 and is connected with lifting claw 34, the base angle of first trapezoidal thin plate passes through the bolt and nut cooperation and is connected with the flat crossbeam of cross, lifting hook 453 sets up the endpoint department at first spreader and second spreader respectively. The utility model provides a cross crossbeam moving gantry connects cross crossbeam 35 on lifting claw 34, at the in-process of jack-up heavy object, hangs the heavy object on a plurality of lifting hooks 353 of cross crossbeam 35, makes the heavy object can have a plurality of points to be connected with cross crossbeam 35, compares in prior art with a point of heavy object directly with lifting claw 34 lug connection, can make the object of hoist and mount more firm, has improved the security that moving gantry used.
Further, the lifting claw 34 is connected with the cross intersection of the cross beam 35, the cross beam 35 is connected with the controller, the cross beam 35 comprises four cross columns and a fixing seat, the end of each cross column is connected with an electric gear on the fixing seat of the cross intersection through a gear, the end of each cross column is provided with a lifting hook, and the electric gear is connected with the controller and is controlled by the controller to drive the cross beam 35 to move so as to change the cross included angle. The utility model provides a cross crossbeam 35 can receive the control automatic adjustment contained angle of motor, like this when moving portal 35 hangs different heavy objects, can adjust cross crossbeam 35's contained angle through the controller, does not need the manpower to go to adjust contained angle, energy-conserving time and human cost.
Furthermore, the controller presets the included angle adjustment strategy according to the characteristic that the heavy object is got to required clamp, and at the in-process of drawing the heavy object, the cross crossbeam can be according to presetting the included angle adjustment strategy automatically regulated alternately included angle. Specifically, the controller presets the adjustment strategy of the included angle according to the mass and the volume of different weights, and when the cross beam 35 hangs a weight, the controller automatically adjusts the included angle of the cross beam 35 according to the adjustment strategy of the included angle called out by the mass and the volume of the hung weight, so as to automatically adjust the included angle of the cross beam 35. The design of this procedure can realize the automatic adjustment of controller to cross crossbeam 35 contained angle, makes cross crossbeam moving gantry more intelligent, has improved moving gantry's practicality.
Further, the junction of the cross beam 11, the first vertical beam 121 and the second vertical beam 122 is provided with a first reinforcing plate 123, the first reinforcing plate 123 comprises two second trapezoidal thin plates, and the two second trapezoidal thin plates are fixed at the junction of the cross beam 11, the first vertical beam 121 and the second vertical beam 122 through the cooperation of bolts and nuts to form the first reinforcing plate 123. In addition, two second trapezoidal thin plates can also be fixed at the joints of the cross beam 11, the first vertical beam 121 and the second vertical beam 122 by welding to form a first reinforcing plate 123. The utility model discloses set up first reinforcing plate 123 in crossbeam 11 and the first junction of erecting roof beam 121 and the second and erecting roof beam 122, first reinforcing plate 123 can make the crossbeam erect roof beam 121 and the second and erect being connected between the roof beam 122 more firm.
Further, the vertical beam 12 comprises an upright column and a triangular structure, the lower part of the upright column is fixedly connected with the top angle of the triangular structure, and two bottom angles of the triangular structure are respectively provided with a universal wheel. The utility model discloses to erect roof beam 12 and set up to the upper portion stand, the lower part is the triangle-shaped structure, has both utilized lower part triangle-shaped's structural stability, can guarantee again that the stand on upper portion is connected conveniently with crossbeam 11.
Further, a second reinforcing plate 124 is arranged at the joint of the stand column and the triangular structure, the second reinforcing plate 124 comprises two third trapezoidal thin plates, and the two third trapezoidal thin plates are fixed at the joint of the stand column and the triangular structure through the matching of bolts and nuts to form the second reinforcing plate 124. In addition, two third trapezoidal thin plates are fixed at the joint of the upright column and the triangular structure by welding to form a second reinforcing plate 124. The utility model discloses the apex angle department at stand lower extreme and triangular structure sets up second reinforcing plate 124, and setting up of second reinforcing plate 124 makes the stand more firm with being connected of triangular structure, avoids the floating gate frame when hoisting the heavy object, erects roof beam 12 because the pressure of heavy object takes place to damage.
Further, the utility model discloses a moving gantry still includes bracing piece 125, and bracing piece 125 is the cuboid form, and the tip of bracing piece 125 is fixed in between the base of two triangle structures through the cooperation of bolt and nut. In addition, the end of the support rod 125 can be fixed between the bottom edges of the two triangular structures by welding. A support bar 125 is provided between the bottom edges of the triangular structures of the moving gantry, and when the moving gantry lifts a heavy object, the heavy object can be placed on the support bar 125. Compared with the suspension in the air of current removal portal with the heavy object after hoisting, the utility model discloses place after hoisting the heavy object on bracing piece 125, can avoid rocking at the in-process heavy object that removes the portal motion, also can reduce the atress of lifting rope 33 at the in-process that hangs the heavy object, can further improve the security of removal portal in the use.
Further, the present invention provides a mobile portal frame including at least two support rods 125. The number of the support rods 125 between the bottom edges of the triangular structures can be set to be a plurality, and in order to ensure that a heavy object can be stably placed on the support rods 125, the number of the support rods 125 is at least two.
Furthermore, a first horizontal cross beam 126 is installed in the middle of one of the triangular structures, a second horizontal cross beam 127 is installed in the middle of the other triangular structure, the first horizontal cross beam 126 and the second horizontal cross beam 127 are rectangular, two ends of the first horizontal cross beam 126 and the second horizontal cross beam 127 are installed in the middle of the triangular structure through nuts and bolts in a matched mode, and in addition, the first horizontal cross beam 126 and the second horizontal cross beam 127 can also be fixed in the middle of the triangular structure through a welding mode. In order to further provide the stability of the moving gantry, the moving gantry can lift an object with larger weight, the horizontal cross beam is arranged in the middle of the two triangular structures of the moving gantry, and the stability of the frame in the moving gantry can be further improved due to the arrangement of the horizontal cross beam.
Furthermore, the controller is connected with the universal wheel in the movable door frame to control the working state of the universal wheel. Specifically, the controller can control to open the universal wheels to enable the moving gantry to move, and the controller can also control to lock the universal wheels to enable the moving gantry to be fixed on the ground.
Further, the controller may store a predetermined program therein, and the controller may assist in manipulating the moving gantry by invoking the predetermined program during the operation of the moving gantry. Specifically, can predetermine the height that the heavy object of certain volume, quality can be hung in the controller, and when the heavy object of certain volume was hung to the removal portal, the controller was compared the height of the heavy object of hanging rather than predetermined height, and when reaching predetermined height, the controller made the judgement to send out and remind.
Specifically, the controller can be combined with a sensor, an alarm and other devices when assisting the working state of the movable gantry.
The utility model provides a pair of cross crossbeam moving gantry's application method, including following step:
(1) placing the cross beam moving portal frame around a heavy object to be transported, and locking the universal wheels to fix the cross beam moving portal frame;
specifically, the locking mode of the universal wheel can be locked manually or can be electrically controlled by the controller to lock the universal wheel.
(2) Shaking hand winch 31, hand winch 31 drives cross beam 35 to move through a pulley block, cross beam 35 includes first spreader 351, second spreader 352 and a plurality of lifting hooks 353, first spreader 351 and second spreader 352 are arranged crosswise to form a cross structure, lifting claw 34 includes two first trapezoidal thin plates, two vertex angles of the first trapezoidal thin plates are provided with movable pulleys 322, movable pulleys 33 are fixed on the two first trapezoidal thin plates through matching of bolts and nuts, lifting ropes 33 are connected with lifting claws 34 through movable pulleys 322, bottom angles of the first trapezoidal thin plates are connected with cross flat beam 35 through matching of bolts and nuts, lifting hooks 353 are respectively arranged at end points of first spreader 351 and second spreader 352, and when cross beam 35 moves to the vicinity of a heavy object, lifting hooks 353 are connected with the heavy object;
(3) shaking the hand winch 31 to lift the heavy object, stopping shaking the hand winch 31 after the heavy object is lifted to a certain height, and fixing the heavy object;
furthermore, the height that can hoist to the heavy object of certain volume, quality in the controller is predetermine, and when the heavy object of certain volume was hoisted to the floating mast, the controller was compared the height of the heavy object of hoisting rather than predetermineeing, and when reaching predetermineeing the height, the controller made the judgement to send out the police dispatch newspaper through the alarm and remind the operator to stop rocking hand winch.
Further, after the cross beam 35 lifts the weight, the weight is lifted to a certain height, and the weight is placed on the support rod 124 by shaking the hand winch.
(4) The universal wheels are started, the gantry is moved to a designated delivery site by pushing the cross beam, and the heavy objects are unloaded at the designated delivery site.
Specifically, the universal wheel can be started manually or can be started under the electric control of the controller.
To sum up, the utility model provides a cross beam moving portal frame and a use method thereof, the cross beam moving portal frame disclosed by the utility model can hang a plurality of points in a heavy object on a cross beam, and compared with the prior art that one position of the heavy object is directly connected with a lifting claw, the heavy object transportation process is more stable; the utility model provides a cross crossbeam can make moving gantry's use convenient and intelligent through controller electric control.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (8)
1. The cross beam moving portal frame is characterized by comprising a supporting assembly, a moving assembly and a hoisting assembly, wherein
The supporting assembly comprises a cross beam and a vertical beam, the vertical beam comprises a first vertical beam and a second vertical beam, the cross beam, the first vertical beam and the second vertical beam form a supporting frame, one end of the cross beam is fixedly connected with the first vertical beam, and the other end of the cross beam is fixedly connected with the second vertical beam;
the moving assembly comprises a plurality of universal wheels, and the universal wheels are respectively arranged at the bottoms of the first vertical beam and the second vertical beam;
the hoisting assembly comprises a hand winch, a pulley block, a lifting rope, a lifting claw and a cross beam, the lifting rope is inserted into the pulley block, the pulley block comprises a fixed pulley and a movable pulley, the fixed pulley is fixed on the cross beam, and the movable pulley is arranged on the lifting claw; the lifting rope is connected with the lifting claw through a movable pulley and is connected with the hand winch through a fixed pulley, and the hand winch is fixed in the middle of the upright post;
the cross-shaped cross beam comprises a first cross column, a second cross column and a plurality of lifting hooks, the first cross column and the second cross column are arranged in a crossed mode to form a cross structure, the lifting claw comprises two first trapezoidal thin plates, the movable pulleys are arranged at two top corners of the first trapezoidal thin plates, the movable pulleys are fixed on the two first trapezoidal thin plates in a matched mode through bolts and nuts, the lifting rope is connected with the lifting claw through the movable pulleys, the bottom corners of the first trapezoidal thin plates are connected with the cross-shaped cross beam through the matched mode of bolts and nuts, and the lifting hooks are arranged at the end portions of the first cross column and the second cross column respectively;
the vertical beam comprises an upright column and a triangular structure, the lower part of the upright column is fixedly connected with the top angle of the triangular structure, and the universal wheels are arranged at two bottom angles of the triangular structure respectively.
2. A cross beam moving gantry frame as claimed in claim 1, wherein the lifting claw is fixedly connected with a cross joint of the cross beam, the cross beam is connected with a controller, the cross beam comprises four crossbars and a fixed seat, the end of each crossbar is connected with an electric gear on the fixed seat of the cross through a gear, the end of each crossbar is provided with the lifting hook, and the electric gear is connected with the controller and is controlled by the controller to drive the cross beam to move so as to change a cross included angle of the cross beam.
3. The cross beam moving gantry of claim 2, wherein the controller is configured to preset an included angle adjustment strategy according to a characteristic of a heavy object to be gripped, and during the process of picking up the heavy object, the controller controls the cross beam to automatically adjust the cross included angle according to the preset included angle adjustment strategy.
4. The cross beam moving gantry frame according to claim 3, wherein a first reinforcing plate is arranged at the joint of the cross beam and the first vertical beam and the second vertical beam, the first reinforcing plate comprises two second trapezoidal thin plates, and the two second trapezoidal thin plates are fixed at the joint of the cross beam and the first vertical beam and the second vertical beam through the cooperation of bolts and nuts to form the first reinforcing plate.
5. The cross beam moving gantry frame according to claim 4, wherein a second reinforcing plate is arranged at the joint of the upright column and the triangular structure, the second reinforcing plate comprises two third trapezoidal thin plates, and the two third trapezoidal thin plates are fixed at the joint of the upright column and the triangular structure through the cooperation of bolts and nuts to form the second reinforcing plate.
6. The cross beam moving gantry of claim 5, further comprising a support rod, wherein the support rod is rectangular, and the ends of the support rod are respectively fixed to the bottom edges of the first vertical beam and the second vertical beam corresponding to the triangular structures.
7. The cross beam moving gantry of claim 6, comprising at least two said support bars.
8. The cross beam moving gantry frame of claim 7, wherein a first horizontal beam is installed in the middle of one of the triangular structures, a second horizontal beam is installed in the middle of the other triangular structure, the first horizontal beam and the second horizontal beam are cuboid, and two ends of the first horizontal beam and the second horizontal beam are installed in the middle of the two triangular structures through nuts and bolts in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021252732.7U CN212712330U (en) | 2020-06-30 | 2020-06-30 | Cross crossbeam removes portal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021252732.7U CN212712330U (en) | 2020-06-30 | 2020-06-30 | Cross crossbeam removes portal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212712330U true CN212712330U (en) | 2021-03-16 |
Family
ID=74963726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021252732.7U Active CN212712330U (en) | 2020-06-30 | 2020-06-30 | Cross crossbeam removes portal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212712330U (en) |
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2020
- 2020-06-30 CN CN202021252732.7U patent/CN212712330U/en active Active
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