CN112897361A - Tower crane platform for construction based on fluid pressure type can reciprocate - Google Patents
Tower crane platform for construction based on fluid pressure type can reciprocate Download PDFInfo
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- CN112897361A CN112897361A CN202110041127.8A CN202110041127A CN112897361A CN 112897361 A CN112897361 A CN 112897361A CN 202110041127 A CN202110041127 A CN 202110041127A CN 112897361 A CN112897361 A CN 112897361A
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- 238000010276 construction Methods 0.000 title claims description 9
- 239000012530 fluid Substances 0.000 title description 4
- 238000009435 building construction Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- 230000008093 supporting effect Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 238000010030 laminating Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明涉及建筑施工技术领域，具体地说，涉及基于液压式可上下移动的建筑施工用塔吊平台。其包括升高结构和位于升高结构内部的安装架，安装架包括框架，平台本体和升降装置，该基于液压式可上下移动的建筑施工用塔吊平台中，设置的升降装置，通过将插柱插入至滑槽和插孔，便于固定板块与安装架之间的连接，当液压杆工作时，液压杆以固定板块为支撑点，即可带动框架向上移动，同时还便于对插柱进行更换工作，避免长时间使用，造成安全隐患。
The invention relates to the technical field of building construction, in particular to a tower crane platform for building construction based on a hydraulic type that can move up and down. It includes an elevated structure and a mounting frame located inside the elevated structure. The mounting rack includes a frame, a platform body and a lifting device. The lifting device provided in the tower crane platform for building construction based on hydraulic type can move up and down. Inserted into the chute and jack, it is convenient for the connection between the fixed plate and the mounting frame. When the hydraulic rod is working, the hydraulic rod takes the fixed plate as the support point, which can drive the frame to move up, and it is also convenient for the replacement of the post. , to avoid prolonged use, resulting in safety hazards.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a hydraulic up-and-down movable tower crane platform for building construction.
Background
The tower crane is common hoisting equipment for construction sites, is used for hoisting construction materials such as reinforcing steel bars, trusses and the like, and plays an increasingly greater role in the field of building construction by virtue of strong flexibility and large bearing capacity;
the tower crane rising mode generally all is the pin-connected panel, rise under the help of the jacking cylinder of jacket frame platform, form the cavity in making it the jacket frame, later hoisting device gets into the cavity to the standard festival that hangs up, then through the bolt fastening, the long high action of a tower crane has just been accomplished, current jacking cylinder is for climbing the knot, through with standard festival joint, then hydro-cylinder work carries out the lifting work, joint during operation need have hydro-cylinder top and jacket frame usually to rotate, long-time use, lead to easily rotating the bolt not hard up, thereby cause the potential safety hazard.
Disclosure of Invention
The invention aims to provide a hydraulic up-and-down movable tower crane platform for building construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a hydraulic up-and-down movable tower crane platform for building construction, which comprises a lifting structure and a mounting rack positioned in the lifting structure, wherein the lifting structure at least comprises:
the mounting frame slides inside the frame, the frame is a steel structure consisting of a plurality of steel plates and has a firm and stable effect, and first support rods are arranged at four corners of the frame;
the tower crane support structure comprises a platform body, wherein the platform body comprises two lower support frames, the two lower support frames are arranged on the upper surfaces of the first support frames, every two first support frames are fixedly connected with the lower support frames, the upper support frames are fixedly connected above the two lower support frames, the two upper support frames are arranged, and the two lower support frames and the two upper support frames form a square frame, so that the effect of supporting workers is achieved when the tower crane is connected;
the lifting device comprises a connecting rod and a fixed plate block positioned below the connecting rod, the connecting rod is positioned on the side surface of the frame, and is fixedly connected with the supporting columns on the side surface of the frame, so that the lifting device is convenient to install, a U-shaped plate is fixedly connected below the connecting rod, the two sides of the bottom surface of the U-shaped plate are both provided with hydraulic rods, the two hydraulic rods are fixedly connected with the upper surface of the fixed plate block so as to be convenient for connecting the connecting rod and the fixed plate block, the bottoms of the two ends of the fixed plate are respectively provided with a sliding chute, the inside of each sliding chute is provided with an inserting column, the surface of one side of the mounting rack is provided with a plurality of inserting holes, the inserting column penetrates through the sliding groove to be in inserting fit with the inserting hole, and is connected with the mounting frame through the fixing plate, when the hydraulic rod works, the hydraulic rod can fix the plate as a supporting point and drive the frame to move upwards;
when the lifting structure is used specifically, firstly, the mounting frame is lifted from the right side of the lifting structure through the crane, when the mounting frame is lifted to the opening on the right side of the frame and is positioned above the platform body, the mounting frame is transversely moved leftwards through the crane until the mounting frame is moved into the frame, then the crane works to drive the mounting frame to descend until the mounting frame is contacted with the mounting frame below, at the moment, the center of a circle of the chute and the center of a circle of the jack are positioned on the same axis, then the inserting column is driven by the driving device to be positioned in the chute and slide towards the direction close to the mounting frame until the inserting column slides into the jack, the connection between the lifting device and the mounting frame is completed, the frame is driven to move upwards by using the fixed plate as a supporting point through the hydraulic rod work until the mounting frame enters the frame, and finally.
As a further improvement of the technical scheme, the rear side of the fixed plate is connected with a driving shell, driving heads are arranged at the left end and the right end of the driving shell respectively, a driving groove is formed in the driving head, a sliding hole is formed in the front end of the driving groove, the inserting column is located in the driving groove, the inserting column is rotatably connected with the driving groove, a driving gear is arranged in the driving groove, a threaded hole is formed in the driving gear, a threaded ring is arranged on the surface of the inserting column, the threaded ring is in threaded connection with the threaded hole, and the rotating of the driving gear can drive the inserting column to rotate in a threaded manner, so that the sliding work is achieved.
As a further improvement of this technical scheme, the inside front end in drive groove is located the through-hole has been seted up to the top of slide opening, fixed plate is located the commentaries on classics hole has been seted up to the spout top, the inside rotation of through-hole is connected with the dwang, the dwang runs through the through-hole extends to inside the commentaries on classics hole, the dwang surface is equipped with the dwang gear, the dwang gear with drive gear meshing through the rotation of dwang, can drive dwang gear revolve to drive gear and rotate.
As a further improvement of this technical scheme, the inside rectangular channel of having seted up of drive shell, the rectangular channel with the drive slot switch-on, the inside chain that is equipped with of rectangular channel, the dwang is located the rear end of dwang gear is equipped with the chain gear, the chain gear with the chain meshing, through the rotation of chain, can drive two chain gears and rotate simultaneously, then drive two dwangs and rotate simultaneously, make two insert the post and can insert the inside work of connecting of spout simultaneously.
As a further improvement of this technical scheme, fixed plate rear surface bottom is equipped with the connecting plate, the motor is installed to the connecting plate top, the output shaft fixedly connected with motor gear of motor, motor gear runs through the drive shell extends to inside the rectangular channel, with the chain meshing through motor work, can drive motor gear and rotate, and motor gear drives the chain and rotates to can carry out the rotation work of two dwangs, play the effect of raising the efficiency.
As a further improvement of the technical scheme, the rear side of the driving shell is fixed with a cover plate, the left end and the right end of the cover plate are respectively provided with an extension block, an extension groove is formed in the inner portion of the extension block, and the insertion column is located in the extension groove and slides to play a role in extending the sliding distance of the insertion column.
As a further improvement of the technical scheme, four corners of the frame are positioned on one side of the upper part of the first support rod, the second support rod is positioned on the upper surface of the second support rod, every two support rods are fixedly connected with the upper support rod, so that the installation work of the upper support rod is further stabilized, and the effect of increasing the supporting effect of the platform body is achieved.
As a further improvement of the technical scheme, both ends all are equipped with the slide bar around frame top opening part is inside, both ends all are equipped with the installation piece about the slide bar, the installation piece with the frame passes through bolt fixed connection, the installation of the slide bar of being convenient for, the slide rail has been seted up to the slide bar inside, the wheel that rolls is installed in mounting bracket bottom left side, the wheel that rolls is located slide inside the slide rail, through rolling the wheel and being connected of slide bar, the sideslip work of the mounting bracket of being convenient for has played the effect that reduces the work degree of difficulty, reduces operating mass with the slide bar.
As a further improvement of the technical scheme, a groove is formed in the bottom of the left end of the sliding rod, the length of the groove is larger than the diameter of the rolling wheel, the rolling wheel is convenient to remove from the inside of the sliding rail, and the descending installation work of the installation frame is facilitated.
As a further improvement of the technical scheme, both ends all are equipped with spacing piece around drive gear, the radius of spacing piece is greater than drive gear's radius, spacing piece with the dwang gear laminating is convenient for play spacing effect to drive gear's rotation.
Compared with the prior art, the invention has the beneficial effects that:
1. in this tower crane platform for construction based on fluid pressure type can reciprocate, the elevating gear of setting through will inserting the post and insert to spout and jack, is convenient for be connected between fixed plate and the mounting bracket, and when the hydraulic stem during operation, the hydraulic stem uses fixed plate as the strong point, can drive frame rebound, still is convenient for simultaneously to inserting the post and change work, avoids long-time the use, causes the potential safety hazard.
2. This can reciprocate based on fluid pressure type in tower crane platform for construction, the drive shell of setting, through motor work, can drive motor gear, motor gear drives the chain and rotates, rotation through the chain, can drive two chain gears and rotate simultaneously, then drive two dwangs and rotate simultaneously, rotation through the dwang, can drive dwang gear rotation, thereby drive gear and rotate, rotation through drive gear, can drive the rotation of inserting the post screw thread, thereby play gliding work, the effect that improves work efficiency has been played.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic view of an elevated structure of embodiment 1;
FIG. 3 is a schematic view of a frame structure of embodiment 1;
FIG. 4 is a schematic view of a slide bar structure of example 1;
FIG. 5 is a schematic structural view of the platen body according to embodiment 1;
FIG. 6 is a schematic view of the structure of the elevator apparatus according to embodiment 1;
FIG. 7 is a schematic view of a connecting rod structure of embodiment 1;
FIG. 8 is a schematic view of the structure of the fixing plate block according to embodiment 1;
FIG. 9 is a schematic structural view of a drive casing according to embodiment 1;
FIG. 10 is a schematic view of the structure of the stud of embodiment 1;
fig. 11 is a schematic structural view of the mounting frame of embodiment 1.
The various reference numbers in the figures mean:
100. a raised structure;
110. a frame; 111. a first support rod; 112. a second support rod;
113. a slide bar; 1130. a slide rail; 1131. mounting a sheet; 1132. grooving;
120. a platform body;
121. a lower support frame; 122. an upper support frame;
130. a lifting device;
131. a connecting rod; 1311. a U-shaped plate; 1312. a hydraulic lever;
132. fixing the plate; 1320. a chute; 1321. hole turning; 1322. a connecting plate; 1323. a motor; 1324. a motor gear;
140. a drive housing; 1400. a rectangular groove; 141. a drive head; 1410. a drive slot; 1411. a slide hole; 1412. a through hole;
142. a cover plate; 1421. an extension block; 1422. an extension groove;
143. a chain; 144. rotating the rod; 1441. rotating the shaft gear; 1442. a chain gear;
145. a drive gear; 1450. a threaded hole; 1451. a limiting sheet;
150. inserting a column; 151. a thread ring;
200. a mounting frame; 2000. a jack; 210. a rolling wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, 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, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1 to 11, the present embodiment provides a hydraulic type tower crane platform capable of moving up and down for building construction, including a lifting structure 100 and a mounting frame 200 located inside the lifting structure 100, where the lifting structure 100 at least includes:
the frame 110, the mounting rack 200 slides inside the frame 110, the frame 110 is a steel structure formed by a plurality of steel plates, and has a firm and stable effect, and the first support rods 111 are arranged at the four corners of the frame 110;
the platform body 120 comprises two lower support frames 121, the two lower support frames 121 are arranged, the lower support frames 121 are positioned on the upper surfaces of the first support rods 111, every two first support rods 111 are fixedly connected with the lower support frames 121, the upper support frames 122 are fixedly connected above the two lower support frames 121, the two upper support frames 122 are arranged, and the two lower support frames 121 and the two upper support frames 122 form a square frame, so that the effect of supporting workers is achieved when the tower crane is connected;
a lifting device 130, the lifting device 130 comprising a connecting rod 131 and a fixing plate 132 positioned below the connecting rod 131, the connecting rod 131 being positioned at a side of the frame 110, and is fixedly connected with the supporting columns on the side of the frame 110 to facilitate the installation of the lifting device 130, a U-shaped plate 1311 is fixedly connected below the connecting rod 131, hydraulic rods 1312 are respectively installed on both sides of the bottom surface of the U-shaped plate 1311, the two hydraulic rods 1312 are fixedly connected with the upper surface of the fixed plate 132 to facilitate the connection of the connecting rod 131 and the fixed plate 132, sliding grooves 1320 are respectively formed at the bottoms of both ends of the fixed plate 132, inserting columns 150 are arranged inside the sliding grooves 1320, a plurality of insertion holes 2000 are formed on one side surface of the mounting frame 200, the inserting columns 150 penetrate through the sliding grooves 1320 to be in inserted fit with the insertion holes 2000, and through the connection between, when the hydraulic rod 1312 works, the hydraulic rod 1312 can fix the plate 132 as a supporting point to drive the frame 110 to move upwards;
when the lifting structure 100 in this embodiment is used specifically, first, the mounting bracket 200 is lifted from the right side of the lifting structure 100 by the crane, when the mounting bracket 200 is lifted to the opening on the right side of the frame 110 and located above the platform body 120, the mounting bracket 200 is laterally moved to the left by the crane until it is moved into the frame 110, the crane is operated to drive the mounting bracket 200 to descend until it contacts with the mounting bracket 200 below, at this time, the sliding groove 1320 and the center of the insertion hole 2000 are located on the same axis, then the driving device drives the insertion post 150 to be located inside the sliding groove 1320 and slide in a direction close to the mounting bracket 200 until the insertion post 150 slides into the insertion hole 2000, the connection between the lifting device 130 and the mounting bracket 200 is completed, the hydraulic rod 1312 is operated to drive the frame 110 to move upwards by using the fixed plate 132 as a supporting point until the mounting bracket 200 enters into the frame 110, finally, the two mounting frames 200 are fixed manually.
Further, fixed plate 132 rear side is connected with drive shell 140, both ends all are equipped with drive head 141 about drive shell 140, drive head 141 has inside seted up drive groove 1410, drive groove 1410 has seted up the slotted hole 1411 in the front end, it is located inside the drive groove 1410 to insert post 150, and insert post 150 and drive groove 1410 rotate and be connected, the inside drive gear 145 that is equipped with of drive groove 1410, the inside screw hole 1450 that has seted up of drive gear 145, it is equipped with thread ring 151 to insert post 150 surface, thread ring 151 and screw hole 1450 threaded connection, rotation through drive gear 145, can drive and insert post 150 screw thread rotation, thereby play gliding work.
Specifically, the through hole 1412 is opened above the front end of the inside of the driving groove 1410 located on the sliding hole 1411, the fixed plate 132 is located above the sliding groove 1320 and opened on the rotating hole 1321, the through hole 1412 rotates inside to be connected with the rotating rod 144, the rotating rod 144 penetrates through the through hole 1412 and extends to the inside of the rotating hole 1321, the surface of the rotating rod 144 is provided with a rotating rod gear 1441, the rotating rod gear 1441 is meshed with the driving gear 145, the rotating rod gear 1441 can be driven to rotate through the rotation of the rotating rod 144, and therefore the driving gear 145 is driven to.
In addition, the rectangular groove 1400 is formed inside the driving housing 140, the rectangular groove 1400 is communicated with the driving groove 1410, the chain 143 is arranged inside the rectangular groove 1400, the chain gear 1442 is arranged at the rear end of the rotating rod gear 1441 of the rotating rod 144, the chain gear 1442 is meshed with the chain 143, two chain gears 1442 can be driven to rotate simultaneously through rotation of the chain 143, and then two rotating rods 144 are driven to rotate simultaneously, so that the two inserting columns 150 can be simultaneously inserted into the sliding grooves 1320 for connection.
In addition, the bottom end of the rear surface of the fixed plate 132 is provided with a connecting plate 1322, a motor 1323 is mounted above the connecting plate 1322, an output shaft of the motor 1323 is fixedly connected with a motor gear 1324, the motor gear 1324 penetrates through the driving shell 140 and extends to the inside of the rectangular groove 1400 to be meshed with the chain 143, the motor 1323 works to drive the motor gear 1324 to rotate, and the motor gear 1324 drives the chain 143 to rotate, so that the rotating work of the two rotating rods 144 can be performed, and the effect of improving the efficiency is achieved.
Further, the rear side of the driving housing 140 is fixed with the cover plate 142, the cover plate 142 is provided with the extension blocks 1421 at the left and right ends, the extension grooves 1422 are formed in the extension blocks 1421, the inserting posts 150 are located in the extension grooves 1422 and slide inside, and the effect of extending the sliding distance of the inserting posts 150 is achieved.
Specifically, the support rod 112 No. two is arranged on one side of the top of the support rod 111 at the four corners of the frame 110, the upper support frame 122 is arranged on the upper surface of the support rod 112 No. two, and every two support rods 112 and the upper support frame 122 are fixedly connected, so that the installation work of the upper support frame 122 is further stabilized, and the effect of increasing the supporting effect of the platform body 120 is achieved.
In addition, both ends all are equipped with slide bar 113 around frame 110 top end opening part is inside, both ends all are equipped with installation piece 1131 about slide bar 113, installation piece 1131 passes through bolt fixed connection with frame 110, be convenient for slide bar 113's installation, slide rail 1130 has been seted up inside slide bar 113, wheel 210 rolls is installed on mounting bracket 200 bottom left side, wheel 210 rolls is located the inside slip of slide rail 1130, be connected through wheel 210 and slide bar 113 rolls, the sideslip work of mounting bracket 200 of being convenient for, the work degree of difficulty that has played the reduction, reduce operating mass's effect.
Besides, a slot 1132 is formed in the bottom of the left end of the sliding rod 113, and the length of the slot 1132 is larger than the diameter of the rolling wheel 210, so that the rolling wheel 210 can be conveniently removed from the inside of the sliding rail 1130, and the descending installation work of the installation frame 200 is facilitated.
Furthermore, both ends all are equipped with spacing piece 1451 around drive gear 145, and the radius of spacing piece 1451 is greater than the radius of drive gear 145, and spacing piece 1451 and dwang gear 1441 laminating are convenient for play spacing effect to the rotation of drive gear 145.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041127.8A CN112897361A (en) | 2021-01-13 | 2021-01-13 | Tower crane platform for construction based on fluid pressure type can reciprocate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041127.8A CN112897361A (en) | 2021-01-13 | 2021-01-13 | Tower crane platform for construction based on fluid pressure type can reciprocate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112897361A true CN112897361A (en) | 2021-06-04 |
Family
ID=76112747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110041127.8A Withdrawn CN112897361A (en) | 2021-01-13 | 2021-01-13 | Tower crane platform for construction based on fluid pressure type can reciprocate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112897361A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119059440A (en) * | 2024-11-05 | 2024-12-03 | 中国建筑第五工程局有限公司 | A tower crane lifting device based on hydraulic control |
-
2021
- 2021-01-13 CN CN202110041127.8A patent/CN112897361A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119059440A (en) * | 2024-11-05 | 2024-12-03 | 中国建筑第五工程局有限公司 | A tower crane lifting device based on hydraulic control |
| CN119059440B (en) * | 2024-11-05 | 2025-02-28 | 中国建筑第五工程局有限公司 | A tower crane lifting device based on hydraulic control |
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Application publication date: 20210604 |