CN113387283A - Jacking sleeve frame for top plus-minus section tower crane and tower crane - Google Patents
Jacking sleeve frame for top plus-minus section tower crane and tower crane Download PDFInfo
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- CN113387283A CN113387283A CN202110771854.XA CN202110771854A CN113387283A CN 113387283 A CN113387283 A CN 113387283A CN 202110771854 A CN202110771854 A CN 202110771854A CN 113387283 A CN113387283 A CN 113387283A
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- frame
- tower crane
- jacking
- supporting frame
- tower
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 claims abstract description 12
- 210000000078 claw Anatomy 0.000 claims description 32
- 230000001174 ascending effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
A jacking sleeve frame for a top plus-minus section tower crane and the tower crane relate to the field of tower cranes. The jacking sleeve frame for the top plus-minus section tower crane is used for moving along a tower body consisting of a plurality of sequentially connected standard sections, a support frame and a lower support frame are arranged up and down and are respectively sleeved on the tower body, and two ends of a hydraulic oil cylinder are respectively connected with the upper support frame and the lower support frame; the jacking fixing assembly is used for driving the upper supporting frame to be disconnected with the corresponding connected standard joint and then ascend to be connected with the standard joint above the upper supporting frame when the oil cylinder rod of the hydraulic oil cylinder extends out, and driving the lower supporting frame to be disconnected with the corresponding connected standard joint and then ascend to be connected with the standard joint above the lower supporting frame when the oil cylinder rod of the hydraulic oil cylinder retracts. The jacking stock frame that is used for top plus-minus festival tower machine that this embodiment provided can be stable go up and down along the body of the tower, have stable in structure and with the fixed firm advantage of body of the tower.
Description
Technical Field
The application relates to the field of tower cranes, in particular to a jacking sleeve frame for a top plus-minus section tower crane and the tower crane.
Background
The tower crane is called tower crane for short, and the self-elevating tower crane is a tower crane which can realize the lifting purpose by changing the height of the tower crane by increasing or reducing standard knots. The jacking operation is carried out to the side all using the jacking cover frame during current self-elevating tower machine jacking adds the festival, rely on jacking cover frame jack-up gyration superstructure after need loosen standard festival and slewing bearing's being connected during the jacking, then at jacking cover frame side introduction or release standard festival add the festival, because its side introduction or release standard festival from the jacking cover frame, make jacking cover frame side must make cavity open structure so that the festival passes in and out, the structural stability of jacking cover frame has been weakened, the upper portion accident that topples takes place easily when the jacking.
Disclosure of Invention
An object of this application provides a jacking set frame and tower machine that is used for top plus-minus festival tower machine, its can be stable go up and down along the body of the tower, have stable in structure and with the fixed firm advantage of body of the tower.
The embodiment of the application is realized as follows:
the embodiment of the application provides a jacking sleeve frame for a top plus-minus section tower crane, which is used for ascending along a tower body consisting of a plurality of sequentially connected standard sections and comprises an upper supporting frame, a lower supporting frame, a plurality of hydraulic cylinders and a jacking fixing component, wherein the upper supporting frame and the lower supporting frame are arranged up and down and are respectively sleeved on the tower body, and two ends of each hydraulic cylinder are respectively connected with the upper supporting frame and the lower supporting frame; the jacking fixing assembly is used for driving the upper supporting frame to ascend to a preset position and downwards abut against one standard joint when an oil cylinder rod of the hydraulic oil cylinder extends out, and driving the lower supporting frame to ascend to the preset position and downwards abut against one standard joint when the oil cylinder rod of the hydraulic oil cylinder retracts.
In some optional embodiments, the jacking fixing assembly comprises a plurality of upper hooking claws hinged to the upper support frame and a plurality of lower hooking claws hinged to the lower support frame, steps corresponding to the upper hooking claws and the lower hooking claws one to one are convexly arranged on the outer wall of each standard section, and the steps are used for allowing the corresponding upper hooking claws and the corresponding lower hooking claws to downwards press.
In some optional embodiments, the upper support frame is connected with a plurality of upper rollers, and the upper support frame drives the upper rollers to roll and press against the outer wall of each standard knot when moving along the tower body.
In some optional embodiments, the lower support frame is connected with a plurality of lower rollers, and the lower support frame drives the lower rollers to roll and press against the outer wall of each standard knot when moving along the tower body.
In some alternative embodiments, a plurality of hydraulic rams are arranged at intervals circumferentially of the tower.
The application also provides a tower crane, which comprises the jacking sleeve frame for the top plus-minus section tower crane.
The beneficial effect of this application is: the jacking sleeve frame for the top plus-minus section tower crane provided by the embodiment is used for moving along a tower body consisting of a plurality of sequentially connected standard sections, the supporting frame and the lower supporting frame are arranged up and down and are respectively sleeved on the tower body, and two ends of the hydraulic oil cylinder are respectively connected with the upper supporting frame and the lower supporting frame; the jacking fixing assembly is used for driving the upper supporting frame to be disconnected with the corresponding connected standard joint and then ascend to be connected with the standard joint above the upper supporting frame when the oil cylinder rod of the hydraulic oil cylinder extends out, and driving the lower supporting frame to be disconnected with the corresponding connected standard joint and then ascend to be connected with the standard joint above the lower supporting frame when the oil cylinder rod of the hydraulic oil cylinder retracts. The jacking stock frame that is used for top plus-minus festival tower machine that this embodiment provided can be stable go up and down along the body of the tower, have stable in structure and with the fixed firm advantage of body of the tower.
Drawings
In order to more clearly illustrate 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 for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic partial structure diagram of a first view angle when a jacking sleeve frame for a top plus-minus joint tower crane provided in an embodiment of the present application moves along a tower body;
fig. 2 is a schematic structural diagram of a second view angle when the jacking sleeve frame for the top plus-minus joint tower crane provided in the embodiment of the present application moves along the tower body;
fig. 3 is a schematic structural view of a lower claw of a lower support frame in a jacking sleeve frame for a top plus-minus joint tower crane provided in the embodiment of the present application, which rotates to a state where the lower claw can press a step downwards;
fig. 4 is a schematic structural view of a lower hook claw of a lower support frame in a jacking sleeve frame for a top plus-minus joint tower crane provided in the embodiment of the present application after being pressed and rotated by a step when the lower hook claw rises to a position above the step;
FIG. 5 is a schematic structural view of a standard section of a tower body with steps connected thereto according to an embodiment of the present disclosure;
FIG. 6 is a schematic structural view of a lower claw in a jacking sleeve frame for a top plus-minus section tower crane according to the embodiment of the present application when pressing down a step;
fig. 7 is a schematic structural diagram of a tower crane provided in the embodiment of the present application;
fig. 8 is a schematic view of a connection structure of an upper support frame, a connection seat and a lower rotary support in the tower crane provided in the embodiment of the present application;
fig. 9 is a schematic view of a connection structure of a lower slewing bearing, a slewing bearing, an upper slewing bearing and a top jib in a tower crane according to an embodiment of the present application.
In the figure: 100. a tower body; 101. a standard section; 110. an upper support frame; 111. an upper roller; 120. a lower support frame; 121. a lower roller; 130. a hydraulic cylinder; 140. jacking and fixing components; 141. an upper hook claw; 142. a lower hook claw; 150. stepping; 160. a connecting seat; 170. a lower rotary support; 180. a slewing bearing; 190. a rotating upper support; 200. a top arm support; 210. a balance arm; 220. and (4) a crane arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in 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. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
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.
The features and performance of the jacking nest frame of the present application are described in further detail below in connection with the examples.
As shown in fig. 1, 2, 3, 4, 5, and 6, an embodiment of the present application provides a jacking stock for a top plus-minus section tower crane, which is used for ascending along a tower body 100 composed of fifteen standard sections 101 connected in sequence; this a jacking cover frame for top plus-minus festival tower machine includes braced frame 110, lower braced frame 120, two hydraulic cylinder 130 and the fixed subassembly 140 of jacking, it just overlaps respectively on body of the tower 100 to go up braced frame 110 and lower braced frame 120 to arrange from top to bottom, two hydraulic cylinder 130 arrange relatively in both sides and both ends of body of the tower 100 be connected with last braced frame 110 and lower braced frame 120 respectively, two last gyro wheels 111 are connected respectively to the both ends inner wall of going up braced frame 110, it rolls the outer wall that supports and presses each standard festival 101 to drive last gyro wheel 111 when body of the tower 100 removes to go up braced frame 110, the both sides inner wall of lower braced frame 120 is connected with two bottom rollers 121 respectively, it rolls the outer wall that supports and presses each standard festival 101 to drive bottom roller 121 when body of the lower.
The jacking fixing assembly 140 comprises four upper hooks 141 and four lower hooks 142, wherein two sides of the upper support frame 110 are respectively hinged to the middle parts of the two upper hooks 141, two sides of the lower support frame 120 are respectively hinged to the middle parts of the two lower hooks 142, and two steps 150 for downward pressing of the corresponding upper hooks 141 and the corresponding lower hooks 142 are respectively connected to the outer walls of two sides of each standard knot 101; when the oil cylinder rod of the hydraulic oil cylinder 130 extends out, the lower hook claws 142 connected with the two sides of the lower support frame 120 respectively press the steps 150 on the outer walls of the two sides of the first standard knot 101 downwards, the upper support frame 110 is pushed to rise from the outer side of the second standard knot 101 to the outer side of the third standard knot 101, and the upper hook claws 141 respectively connected with the two sides of the upper support frame 110 respectively press the steps 150 on the outer walls of the two sides of the third standard knot 101 downwards; when the oil cylinder rod of the hydraulic oil cylinder 130 is contracted, the upper hook claws 141 respectively connected to both sides of the upper support frame 110 respectively press the steps 150 on the outer walls of both sides of the third standard knot 101 downward, so as to drive the lower support frame 120 to ascend from the outer side of the first standard knot 101 to the outer side of the second standard knot 101, and the lower hook claws 142 respectively connected to both sides of the lower support frame 120 respectively press the steps 150 on the outer walls of both sides of the second standard knot 101 downward, wherein the first standard knot 101, the second standard knot 101 and the third standard knot 101 are three standard knots 101 sequentially connected from bottom to top.
The jacking stock of the top plus-minus tower crane provided by the embodiment is hinged with the rotatable upper hook claw 141 and the lower hook claw 142 respectively through the two sides of the upper supporting frame 110 and the lower supporting frame 120, and the outer walls of the two sides of each standard joint 101 are respectively connected with two steps 150 for the corresponding upper hook claw 141 and the lower hook claw 142 to downwards support, so that the upper supporting frame 110 and the lower supporting frame 120 are driven to continuously ascend and move along the tower body 100 consisting of fifteen sequentially connected standard joints 101 through the stretching and contracting operation of the oil cylinder rods of the two hydraulic oil cylinders 130, and the height of the jacking stock of the top plus-minus tower crane is adjusted.
Specifically, when the cylinder rod of the hydraulic cylinder 130 extends, the lower hooks 142 connected to both sides of the lower support frame 120 respectively press the steps 150 on the outer walls of both sides of the first standard knot 101 downward, at this time, the four lower hooks 142 are all horizontally arranged and both ends respectively press the four steps 150 on the outer walls of both sides of the first standard knot 101 downward and the body on both sides of the lower support frame 120 downward, so that the lower support frame 120 and the first standard knot 101 are fixed, thereby pushing the upper support frame 110 to ascend from the outer side of the second standard knot 101 to the outer side of the third standard knot 101 through the cylinder rod of the hydraulic cylinder 130, so that the upper hooks 141 respectively connected to both sides of the upper support frame 110 are pressed and rotated by the steps 150 on the outer walls of both sides of the third standard knot 101 in the ascending process, until the upper hooks 141 respectively connected to both sides of the upper support frame 110 move to positions above the steps 150 on both sides of the outer walls of the third standard knot 101, at this time, the cylinder rod of the hydraulic cylinder 130 contracts, the upper claws 141 respectively connected with the two sides of the upper support frame 110 are driven to move downwards and respectively downwards abut against the steps 150 on the outer walls of the two sides of the third standard knot 101, at the moment, one ends of the four upper claws 141 all abut against the four steps 150 on the outer walls of the two sides of the third standard knot 101 downwards, the four upper claws 141 are rotated to the other ends to abut against the bodies on the two sides of the upper support frame 110, the upper support frame 110 is arranged on the third standard knot 101, the lower support frame 120 is driven to ascend from the outer side of the first standard knot 101 to the outer side of the third standard knot 101 through the oil cylinder rod of the hydraulic oil cylinder 130, the lower claws 142 respectively connected with the two sides of the lower support frame 120 are pressed and rotated by the steps 150 on the outer walls of the two sides of the second standard knot 101 in the ascending process, until the upper claws 141 respectively connected with the two sides of the lower support frame 120 move to the positions above the steps 150 on the outer walls of the two sides of the second standard knot 101, and the jacking sleeve frame of the top plus-minus knot tower crane finishes one-rise operation from the first standard knot 101 And the outside of the second standard knot 101 rises to the outside of the second standard knot 101 and the third standard knot 101.
In addition, two upper rollers 111 are connected respectively to the both ends inner wall of upper supporting frame 110, and the both sides inner wall of lower support frame 120 is connected with two lower rollers 121 respectively, and upper supporting frame 110 and lower support frame 120 drive upper rollers 111 and lower rollers 121 roll and support the outer wall of pressing each standard festival 101 when moving along the body of the tower 100 to make the body of the tower 100 that connects the constitution in proper order along each standard festival 101 that the jacking set frame for top plus-minus festival tower machine is more stable rise.
As shown in fig. 7, 8 and 9, an embodiment of the present application further provides a tower crane, which includes a tower body 100 composed of fifteen sequentially connected standard joints 101, and the above-mentioned jacking bracket for a top plus-minus joint tower crane, which can ascend along the tower body 100, the top of the upper support frame 110 of the jacking bracket for the top plus-minus joint tower crane is connected with a lower rotary support 170 through a connection seat 160, the lower rotary support 170 is connected with an upper rotary support 190 through a rotary support 180, and the upper rotary support 190 is connected with a balance arm 210 and a boom 220 through a top arm support 200.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
Claims (6)
1. A jacking sleeve frame for a top plus-minus section tower crane is used for ascending along a tower body consisting of a plurality of standard sections which are sequentially connected and is characterized by comprising an upper supporting frame, a lower supporting frame, a plurality of hydraulic oil cylinders and a jacking fixing component, wherein the upper supporting frame and the lower supporting frame are arranged up and down and are respectively sleeved on the tower body, and two ends of each hydraulic oil cylinder are respectively connected with the upper supporting frame and the lower supporting frame; the jacking fixing assembly is used for driving the upper supporting frame to ascend to a preset position and downwards abut against one standard joint when an oil cylinder rod of the hydraulic oil cylinder extends out, and driving the lower supporting frame to ascend to the preset position and downwards abut against one standard joint when the oil cylinder rod of the hydraulic oil cylinder retracts.
2. The jacking stock frame for a top plus-minus section tower crane as claimed in claim 1, wherein the jacking fixing assembly comprises a plurality of upper hook claws hinged to the upper support frame and a plurality of lower hook claws hinged to the lower support frame, steps corresponding to the upper hook claws and the lower hook claws one by one are convexly provided on the outer wall of each standard section, and the steps are used for allowing the corresponding upper hook claws and the corresponding lower hook claws to downwardly press.
3. The jacking sleeve frame for a top plus-minus section tower crane according to claim 1, wherein the upper supporting frame is connected with a plurality of upper rollers, and the upper supporting frame drives the upper rollers to roll and press against the outer wall of each standard section when moving along the tower body.
4. The jacking sleeve frame for the top plus-minus section tower crane according to claim 1, wherein the lower support frame is connected with a plurality of lower rollers, and the lower support frame drives the lower rollers to roll and press against the outer wall of each standard section when moving along the tower body.
5. The jacking sleeve frame for the top plus-minus section tower crane as claimed in claim 1, wherein a plurality of hydraulic oil cylinders are arranged at intervals along the circumference of the tower body.
6. A tower crane, characterized in that it comprises a jacking nest frame for a top plus-minus section tower crane according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110771854.XA CN113387283A (en) | 2021-07-08 | 2021-07-08 | Jacking sleeve frame for top plus-minus section tower crane and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110771854.XA CN113387283A (en) | 2021-07-08 | 2021-07-08 | Jacking sleeve frame for top plus-minus section tower crane and tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113387283A true CN113387283A (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110771854.XA Pending CN113387283A (en) | 2021-07-08 | 2021-07-08 | Jacking sleeve frame for top plus-minus section tower crane and tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113387283A (en) |
Citations (8)
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|---|---|---|---|---|
| GB710771A (en) * | 1950-10-07 | 1954-06-16 | Moore Corp Lee C | Improvements in or relating to a driving mechanism for a tower jacking structure |
| CN203359842U (en) * | 2013-06-28 | 2013-12-25 | 广西建工集团建筑机械制造有限责任公司 | Internal climbing crane with self-elevating jacking sleeve frame |
| CN103640995A (en) * | 2013-12-17 | 2014-03-19 | 中联重科股份有限公司 | Jacking step-changing device of internal-climbing tower crane and internal-climbing tower crane |
| CN110027992A (en) * | 2019-05-15 | 2019-07-19 | 沈阳建筑大学 | A kind of tower crane standard knot automatic lifting positioning apparatus and method |
| CN210559009U (en) * | 2019-07-16 | 2020-05-19 | 四川建设机械（集团）股份有限公司 | Four-cylinder jacking system of lifting tower |
| CN111302236A (en) * | 2020-02-21 | 2020-06-19 | 廊坊中建机械有限公司 | Unmanned jacking system of tower crane |
| CN212076229U (en) * | 2020-04-22 | 2020-12-04 | 河南金利重工科技有限公司 | Large-scale tower machine bilateral hydraulic jacking system |
| US20210222452A1 (en) * | 2018-04-25 | 2021-07-22 | Esteyco S.A. | Movable Module for Hoisting Telescopic Towers and Method for Hoisting Telescopic Towers |
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2021
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|---|---|---|---|---|
| GB710771A (en) * | 1950-10-07 | 1954-06-16 | Moore Corp Lee C | Improvements in or relating to a driving mechanism for a tower jacking structure |
| CN203359842U (en) * | 2013-06-28 | 2013-12-25 | 广西建工集团建筑机械制造有限责任公司 | Internal climbing crane with self-elevating jacking sleeve frame |
| CN103640995A (en) * | 2013-12-17 | 2014-03-19 | 中联重科股份有限公司 | Jacking step-changing device of internal-climbing tower crane and internal-climbing tower crane |
| US20210222452A1 (en) * | 2018-04-25 | 2021-07-22 | Esteyco S.A. | Movable Module for Hoisting Telescopic Towers and Method for Hoisting Telescopic Towers |
| CN110027992A (en) * | 2019-05-15 | 2019-07-19 | 沈阳建筑大学 | A kind of tower crane standard knot automatic lifting positioning apparatus and method |
| CN210559009U (en) * | 2019-07-16 | 2020-05-19 | 四川建设机械（集团）股份有限公司 | Four-cylinder jacking system of lifting tower |
| CN111302236A (en) * | 2020-02-21 | 2020-06-19 | 廊坊中建机械有限公司 | Unmanned jacking system of tower crane |
| CN212076229U (en) * | 2020-04-22 | 2020-12-04 | 河南金利重工科技有限公司 | Large-scale tower machine bilateral hydraulic jacking system |
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| Title |
|---|
| 牛宝元: "怎样安装与保养电梯", 31 December 1983, 中国建筑工业出版社, pages: 126 - 127 * |
| 赵继春: "技术业务理论建设", 31 July 2008, 河北教育出版社, pages: 373 * |
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