CN216004959U - Electric single-beam portal crane for building construction - Google Patents

Electric single-beam portal crane for building construction Download PDF

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Publication number
CN216004959U
CN216004959U CN202122033364.8U CN202122033364U CN216004959U CN 216004959 U CN216004959 U CN 216004959U CN 202122033364 U CN202122033364 U CN 202122033364U CN 216004959 U CN216004959 U CN 216004959U
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rod
building construction
electric single
lifting hook
gantry crane
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CN202122033364.8U
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Chinese (zh)
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李代森
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First Construction Of China Mechanical Industry Co ltd
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First Construction Of China Mechanical Industry Co ltd
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Abstract

The application provides an electric single-beam portal crane for building construction, and belongs to the technical field of single-beam portal cranes. The electric single-beam portal crane for building construction comprises a supporting driving assembly and a hoisting assembly. In the above-mentioned realization in-process, then the workman alright hang the object on the lifting hook, then alright open the motor and drive the threaded rod rotatory, in the object movement, the dead lever can be fixed a position the connecting rod, and then fix a position the limiting plate, and then fix a position the lifting hook, and then fix a position the object, make the object that lifting hook and lifting hook hung difficult emergence at the removal process rock, can improve stability and security, and rock along with the difficult emergence of the object that lifting hook and lifting hook hung, alright improve the speed that this electric single beam gantry crane pulls the object and removes for the construction, and then alright improve this electric single beam gantry crane's work efficiency.

Description

Electric single-beam portal crane for building construction
Technical Field
The application relates to a monospar gantry crane field particularly, relates to an electronic monospar gantry crane for construction.
Background
The single-beam portal crane is named after a portal frame due to the fact that the metal structure of the single-beam portal crane is like a portal frame, has the characteristics of high site utilization rate, large operation range, wide application range and strong universality, and plays a great role in building construction.
But the electronic monospar gantry crane of present majority lifts by crane and when pulling the heavy object, lack and carry out the ability of horizontal fixation to the lifting hook, most power is only provided on the vertical direction of lifting hook, the lifting hook is very unbalanced at the power that the horizontal direction received, the stability of lifting hook is relatively poor, therefore when electronic monospar gantry crane pulls the heavy object, heavy object and lifting hook take place to rock easily, stability is relatively poor, the security is lower, mostly adopt the speed mode that reduces electronic monospar gantry crane pulls the heavy object to prevent that heavy object and lifting hook from taking place to rock in the construction, but reduce the speed that electronic monospar gantry crane pulls the heavy object and can directly reduce the work efficiency of electronic monospar gantry crane.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, this application provides an electronic monospar gantry crane for construction, when aiming at improving electronic monospar gantry crane traction heavy object, makes the heavy object take place to rock together with the lifting hook easily, and stability is relatively poor, the lower problem of security.
The embodiment of the application provides an electric single-beam portal crane for building construction, which comprises a supporting driving assembly and a lifting assembly.
The support driving assembly comprises a support frame, a cross beam, a threaded rod, a motor and a connecting block, the support frame is provided with two support frames and two support frames, the top end of each support frame is fixedly connected with the lower surface of the cross beam, the motor is fixedly connected to one side of the cross beam, the threaded rod is rotatably connected with the cross beam, the output end of the motor is fixedly connected with one end of the threaded rod, the connecting block is in threaded sleeve connection with the rod body of the threaded rod, and the connecting block is in sliding connection with the cross beam.
The lifting component comprises a fixed plate, an electric hoist, a lifting hook, a connecting sleeve ring, a fixed rod, a connecting rod and a limiting plate, wherein the fixed plate is connected to the lower surface of the connecting block, the fixed plate is cylindrical, the electric hoist is connected to the lower surface of the fixed plate, the top end of the lifting hook is connected with the traction end of the electric hoist, the connecting sleeve ring is sleeved on the outer side of the fixed plate, the connecting sleeve ring is connected with the fixed plate in a rotating mode, the center of the limiting plate is fixedly sleeved on the top end of the lifting hook, the fixed rod is fixedly connected with the connecting sleeve ring, the bottom end of the connecting rod is fixedly connected with the limiting plate, and the top end of the connecting rod is slidably inserted into the fixed rod.
In the implementation process, the motor is turned on to drive the threaded rod to rotate, the connecting block is driven to move, the fixing plate is driven to move, the electric hoist and the hook are driven to move, the hook is driven to move to the position above the object, the electric hoist is driven to place the hook downwards, a worker can hang the object on the hook, the electric hoist is driven to pull the hook upwards to drive the object to move upwards, the motor is turned on to drive the threaded rod to rotate, the connecting block is driven to move, the object is driven to move, the fixing rod positions the connecting rod during the movement of the object, the limiting plate is positioned, the hook is positioned, the object is positioned, and the fixing rod, the connecting rod and the limiting plate rotate integrally due to the rotary connection of the connecting lantern ring and the fixing plate, and then alright make the lifting hook rotatory, can make things convenient for the workman to hang the object on the lifting hook, can fix a position the lifting hook for the object that lifting hook and lifting hook hung is difficult for taking place to rock at the removal process, can improve stability and security, and along with the difficult emergence of object that lifting hook and lifting hook hung rocks, alright improve this electric single-beam gantry crane for construction and pull the speed that the object moved, and then alright improve this electric single-beam gantry crane's work efficiency.
In a specific embodiment, two the support frame all includes bottom plate, bracing piece and walking wheel, the bottom of bracing piece with the center fixed connection of bottom plate upper surface, the top of bracing piece all with the lower fixed surface of crossbeam is connected, the walking wheel is provided with four, four walking wheel respectively fixed connection in four corners of bottom plate lower surface.
In a specific embodiment, reinforcing rods are arranged on two sides of the supporting rod, the bottom ends of the reinforcing rods are connected with the bottom plate, and the reinforcing rods are arranged in an inclined mode.
In the implementation process, the reinforcing rods are used for reinforcing the supporting rods, so that the stability of the supporting rods can be improved.
In a specific implementation scheme, a connecting through groove is formed in the beam body of the cross beam, the rod body of the threaded rod rotates to penetrate through one side of the connecting through groove, and one end, far away from the motor, of the threaded rod is rotatably connected with the other side of the connecting through groove.
In a specific embodiment, the block of the connecting block is slidably sleeved on the beam of the cross beam, the block of the connecting block penetrates through the connecting through groove, and the block of the connecting block slides inside the connecting through groove.
In a specific implementation scheme, a limiting rod is arranged inside the connecting through groove, and the connecting block is sleeved on a rod body of the limiting rod in a sliding manner.
In the implementation process, the limiting rod improves the stability of the connecting block.
In a specific embodiment, the fixed rod is provided with a plurality of fixed rods, the fixed rods are uniformly and fixedly connected to the outer wall of the connecting sleeve ring, the connecting rod is provided with a plurality of fixed rods, the bottom ends of the connecting rods are uniformly connected to the upper surface of the limiting plate, and the top ends of the connecting rods are respectively inserted into the bottom ends of the fixed rods in a one-to-one sliding manner.
In the implementation process, the limiting plates are limited by the plurality of fixing rods and the plurality of connecting rods simultaneously, the stability of the limiting plates can be further improved, and the stability of the lifting hook can be further improved.
In a specific embodiment, the fixing rod is internally provided with a sliding groove, and the top ends of the connecting rods are respectively connected with the inside of the sliding groove in a sliding manner
In a specific implementation scheme, a limit groove is formed in the side wall of the sliding groove, two limit grooves are formed in the limit groove and are symmetrically arranged, a sliding block is arranged at the top end of the connecting rod, two sliding blocks are arranged, and the two sliding blocks respectively slide in the two limit grooves.
In the implementation process, the sliding block slides in the limiting groove to prevent the connecting rod from separating from the inside of the sliding groove.
In a specific embodiment, the rain shield further comprises a rain shield, the rain shield is fixedly connected to the top of the cross beam, and the upper surface of the rain shield is arc-shaped.
In the implementation process, the rain shield is used for shielding rain, so that the erosion of rainwater to the electric single-beam gantry crane for building construction can be reduced, and the service life of the electric single-beam gantry crane for building construction can be prolonged; the upper surface of the rain shield is arc-shaped, so that rainwater on the upper surface of the rain shield can rapidly slide off, the rainwater can not be collected on the upper surface of the rain shield, and the erosion of the rainwater to the rain shield can be reduced.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of an electric single-beam gantry crane for building construction according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a support driving assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic side view of a portion of a support drive assembly and a rain shield according to an embodiment of the present disclosure;
FIG. 4 is a schematic side view cross-sectional structure of a cross beam, a threaded rod and a connecting block provided in an embodiment of the present application;
FIG. 5 is a schematic structural view of a hoisting assembly provided in an embodiment of the present application;
fig. 6 is a partial structural schematic view of a sliding chute and a sliding block provided in the embodiment of the present application.
In the figure: 100-supporting a drive assembly; 110-a support frame; 111-a backplane; 112-a support bar; 113-a travelling wheel; 114-a reinforcing rod; 120-a cross beam; 121-connecting through grooves; 130-a threaded rod; 140-a motor; 150-connecting block; 160-a limiting rod; 200-a hoisting assembly; 210-a fixed plate; 220-electric hoist; 230-a hook; 240-connecting collar; 250-a fixation rod; 251-a chute; 2511-a limit groove; 260-connecting rod; 261-a slide block; 270-a limiting plate; 300-rain shield.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the present application provides an electric single-beam gantry crane for building construction, which includes a support driving assembly 100 and a hoisting assembly 200.
Referring to fig. 1-4, the supporting driving assembly 100 includes two supporting frames 110, a cross beam 120, a threaded rod 130, a motor 140 and a connecting block 150, the supporting frames 110 are provided, the top ends of the two supporting frames 110 are fixedly connected to the lower surface of the cross beam 120, each of the two supporting frames 110 includes a bottom plate 111, a supporting rod 112 and a traveling wheel 113, the bottom end of the supporting rod 112 is fixedly connected to the center of the upper surface of the bottom plate 111 by welding, the top end of the supporting rod 112 is fixedly connected to the lower surface of the cross beam 120 by welding, reinforcing rods 114 are provided on both sides of the supporting rod 112, the bottom ends of the reinforcing rods 114 are connected to the bottom plate 111, the reinforcing rods 114 are disposed in an inclined manner, the reinforcing rods 114 are used for reinforcing the supporting rod 112, so as to improve the stability of the supporting rod 112, the four walking wheels 113 are arranged, the four walking wheels 113 are respectively and fixedly connected to four corners of the lower surface of the bottom plate 111, and the walking wheels 113 are used for being matched with a track paved outside.
When specifically setting up, motor 140 fixed connection is in one side of crossbeam 120, and threaded rod 130 rotates with crossbeam 120 to be connected, and motor 140's output and the one end fixed connection of threaded rod 130 can drive threaded rod 130 rotatory opening motor 140.
In the present application, a connecting through groove 121 is formed in a beam body of a beam 120, a rod body of a threaded rod 130 is rotatably penetrated through one side of the connecting through groove 121, a rod body of the threaded rod 130 is rotatably penetrated through one side of the connecting through groove 121 through a bearing, one end of the threaded rod 130, which is far away from a motor 140, is rotatably connected with the other side of the connecting through groove 121, one end of the threaded rod 130, which is far away from the motor 140, is rotatably connected with the other side of the connecting through groove 121 through a bearing, a connecting block 150 is in threaded sleeve connection with the rod body of the threaded rod 130, the connecting block 150 is in sliding connection with the beam body of the beam 120, a block body of the connecting block 150 is slidably sleeved with the beam body of the beam 120, the block body of the connecting block 150 is penetrated through the connecting through groove 121, the block body of the connecting block 150 is slidably sleeved with the rod body of the limiting rod 160, the limiting rod 160 improves the stability of the connecting block 150, and the threaded rod 130 can be driven to rotate by opening the motor 140, thereby driving the connecting block 150 to move.
Referring to fig. 1, 5 and 6, the hoisting assembly 200 includes a fixing plate 210, an electric hoist 220, a lifting hook 230, a connecting collar 240, a fixing rod 250, a connecting rod 260 and a limiting plate 270, the fixing plate 210 is connected to the lower surface of the connecting block 150 by welding, the fixing plate 210 is cylindrical, the electric hoist 220 is connected to the lower surface of the fixing plate 210, the top end of the lifting hook 230 is connected to the traction end of the electric hoist 220, the connecting collar 240 is sleeved outside the fixing plate 210, the connecting collar 240 is rotatably connected to the fixing plate 210 by a bearing, the center of the limiting plate 270 is fixedly sleeved on the top end of the lifting hook 230, the fixing rod 250 is fixedly connected to the connecting collar 240, the bottom end of the connecting rod 260 is fixedly connected to the limiting plate 270, and the top end of the connecting rod 260 is slidably inserted into the fixing rod 250.
In this embodiment, the fixing rods 250 are provided with a plurality of fixing rods 250, the plurality of fixing rods 250 are uniformly and fixedly connected to the outer wall of the connecting sleeve ring 240, the connecting rods 260 are provided with a plurality of fixing rods, the bottom ends of the plurality of connecting rods 260 are uniformly connected to the upper surface of the limiting plate 270, the tops of the plurality of connecting rods 260 are respectively inserted into the bottom ends of the plurality of fixing rods 250 in a one-to-one sliding manner, the plurality of fixing rods 250 and the plurality of connecting rods 260 simultaneously limit the limiting plate 270, the stability of the limiting plate 270 can be further improved, and the stability of the lifting hook 230 can be further improved.
In this embodiment, spout 251 has all been seted up to the inside of dead lever 250, inside respectively sliding connection in spout 251 is equallyd divide on the top of connecting rod 260, spacing groove 2511 has been seted up to the lateral wall of spout 251, two have been seted up to spacing groove 2511, twice spacing groove 2511 symmetry sets up, the top of connecting rod 260 is provided with slider 261, slider 261 is provided with two, two slider 261 slide respectively inside twice spacing groove 2511, slider 261 slides inside spacing groove 2511 can prevent that connecting rod 260 breaks away from inside spout 251.
Referring to fig. 1 and 3, the electric single-girder gantry crane for building construction further includes a rain shield 300, the rain shield 300 is fixedly connected to the top of the cross beam 120, the upper surface of the rain shield 300 is arc-shaped, and the rain shield 300 is used for shielding rain, so that erosion of rain to the electric single-girder gantry crane for building construction can be reduced, and the service life of the electric single-girder gantry crane for building construction can be prolonged; the upper surface of the rain shield 300 is arc-shaped, so that rainwater on the upper surface of the rain shield 300 can rapidly slide off, the rainwater can not be collected on the upper surface of the rain shield 300, and the erosion of the rainwater on the rain shield 300 can be reduced.
The working principle of the electric single-beam portal crane for building construction is as follows: when the device is used, the motor 140 is firstly opened to drive the threaded rod 130 to rotate, the connecting block 150 can be driven to move, the fixing plate 210 can be driven to move, the electric hoist 220 and the lifting hook 230 can be driven to move, the lifting hook 230 can be moved to the upper part of an object, the electric hoist 220 is then downwards placed on the lifting hook 230, then a worker can hang the object on the lifting hook 230, the electric hoist 220 upwards pulls the lifting hook 230, the object can be driven to move upwards, the motor 140 can be opened to drive the threaded rod 130 to rotate, the connecting block 150 can be driven to move, the object can be driven to move, the fixing rod 250 can position the connecting rod 260 and further position the limiting plate 270 and further position the lifting hook 230 and further position the object, and the connecting sleeve ring 240 is rotatably connected with the fixing plate 210, can make dead lever 250, connecting rod 260 and limiting plate 270 are whole to be rotatory, and then alright make lifting hook 230 rotatory, can make things convenient for the workman to hang the object on lifting hook 230, can fix a position fixedly to lifting hook 230, make the object that lifting hook 230 and lifting hook 230 hung difficult the emergence of removing the process and rock, can improve stability and security, and along with the difficult emergence of the object that lifting hook 230 and lifting hook 230 hung rocks, alright improve the speed that this electric single-beam gantry crane pulls the object and removes for the construction, and then alright improve this electric single-beam gantry crane's work efficiency.
It should be noted that the specific model specifications of the motor 140 and the electric block 220 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the motor 140 and the electric block 220 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An electric single-beam portal crane for building construction is characterized by comprising
The supporting and driving assembly (100) comprises two supporting frames (110), a cross beam (120), a threaded rod (130), motors (140) and connecting blocks (150), the top ends of the two supporting frames (110) are fixedly connected with the lower surface of the cross beam (120), the motors (140) are fixedly connected to one side of the cross beam (120), the threaded rod (130) is rotatably connected with the cross beam (120), the output end of each motor (140) is fixedly connected with one end of the corresponding threaded rod (130), the connecting blocks (150) are sleeved on the rod body of the corresponding threaded rod (130) in a threaded manner, and the connecting blocks (150) are slidably connected with the cross beam (120);
the lifting assembly (200), the lifting assembly (200) comprises a fixing plate (210), an electric hoist (220), a lifting hook (230), a connecting ring (240), a fixing rod (250), a connecting rod (260) and a limiting plate (270), the fixing plate (210) is connected to the lower surface of the connecting block (150), the fixing plate (210) is cylindrical, the electric hoist (220) is connected to the lower surface of the fixing plate (210), the top end of the lifting hook (230) is connected with the traction end of the electric hoist (220), the connecting ring (240) is sleeved on the outer side of the fixing plate (210), the connecting ring (240) is rotatably connected with the fixing plate (210), the center of the limiting plate (270) is fixedly sleeved on the top end of the lifting hook (230), the fixing rod (250) is fixedly connected with the connecting ring (240), and the bottom end of the connecting rod (260) is fixedly connected with the limiting plate (270), the top end of the connecting rod (260) is inserted in the fixing rod (250) in a sliding mode.
2. The electric single-beam gantry crane for building construction according to claim 1, wherein each of the two support frames (110) comprises a bottom plate (111), a support rod (112) and four traveling wheels (113), the bottom end of the support rod (112) is fixedly connected with the center of the upper surface of the bottom plate (111), the top end of the support rod (112) is fixedly connected with the lower surface of the cross beam (120), the four traveling wheels (113) are provided, and the four traveling wheels (113) are respectively and fixedly connected with four corners of the lower surface of the bottom plate (111).
3. The electric single-beam gantry crane for building construction according to claim 2, wherein reinforcing rods (114) are arranged on two sides of the supporting rod (112), the bottom ends of the reinforcing rods (114) are connected with the bottom plate (111), and the reinforcing rods (114) are obliquely arranged.
4. The electric single-beam gantry crane for building construction according to claim 1, wherein a connecting through groove (121) is formed in a beam body of the beam (120), a rod body of the threaded rod (130) is rotatably penetrated through one side of the connecting through groove (121), and one end of the threaded rod (130) far away from the motor (140) is rotatably connected with the other side of the connecting through groove (121).
5. The electric single-beam gantry crane for building construction according to claim 4, wherein the block of the connecting block (150) is slidably sleeved on the beam body of the beam (120), the block of the connecting block (150) penetrates through the connecting through groove (121), and the block of the connecting block (150) is slidably arranged inside the connecting through groove (121).
6. The electric single-beam gantry crane for building construction according to claim 4, wherein a limiting rod (160) is arranged inside the connecting through groove (121), and the connecting block (150) is slidably sleeved on a rod body of the limiting rod (160).
7. The electric single-beam gantry crane for building construction as claimed in claim 1, wherein the number of the fixing rods (250) is several, the number of the fixing rods (250) is uniformly and fixedly connected to the outer wall of the connecting sleeve ring (240), the number of the connecting rods (260) is several, the bottom ends of the number of the connecting rods (260) are uniformly connected to the upper surface of the limiting plate (270), and the top ends of the number of the connecting rods (260) are respectively inserted into the bottom ends of the number of the fixing rods (250) in a one-to-one corresponding sliding manner.
8. The electric single-beam gantry crane for building construction according to claim 7, wherein the fixing rods (250) are provided with sliding grooves (251), and the top ends of the connecting rods (260) are slidably connected to the sliding grooves (251).
9. The electric single-beam gantry crane for building construction according to claim 8, wherein a limiting groove (2511) is formed in a side wall of the sliding groove (251), two limiting grooves (2511) are formed in the side wall, the two limiting grooves (2511) are symmetrically arranged, a sliding block (261) is arranged at the top end of the connecting rod (260), two sliding blocks (261) are arranged, and the two sliding blocks (261) respectively slide in the two limiting grooves (2511).
10. The electric single-beam gantry crane for building construction according to claim 1, further comprising a rain shield (300), wherein the rain shield (300) is fixedly connected to the top of the cross beam (120), and the upper surface of the rain shield (300) is arc-shaped.
CN202122033364.8U 2021-08-26 2021-08-26 Electric single-beam portal crane for building construction Active CN216004959U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122033364.8U CN216004959U (en) 2021-08-26 2021-08-26 Electric single-beam portal crane for building construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122033364.8U CN216004959U (en) 2021-08-26 2021-08-26 Electric single-beam portal crane for building construction

Publications (1)

Publication Number Publication Date
CN216004959U true CN216004959U (en) 2022-03-11

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