CN220845227U - Auxiliary device for jack lifting installation - Google Patents
Auxiliary device for jack lifting installation Download PDFInfo
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- CN220845227U CN220845227U CN202322509290.XU CN202322509290U CN220845227U CN 220845227 U CN220845227 U CN 220845227U CN 202322509290 U CN202322509290 U CN 202322509290U CN 220845227 U CN220845227 U CN 220845227U
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- installation
- auxiliary device
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- 238000009434 installation Methods 0.000 title claims abstract description 40
- 230000000670 limiting effect Effects 0.000 claims abstract description 132
- 210000000078 claw Anatomy 0.000 claims abstract description 93
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 38
- 239000010959 steel Substances 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The application discloses an auxiliary device for jack lifting installation, which comprises a lifting rod, a limiting claw piece for temporarily limiting and fixing a jack and a connecting piece for connecting the end position of an automobile crane; the limiting claw piece and the connecting piece are respectively arranged at two opposite ends of the jacking rod; when the lifting rod is in a lifting jack state, the installation height of the limiting claw piece is higher than that of the connecting piece. The application has the effect of providing an auxiliary device which is convenient for a constructor to install a jack at the top of the steel pipe column and reducing the operation intensity of the constructor.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to an auxiliary device for jack lifting installation.
Background
For large-scale underground rail transportation junction, such as the construction method of cover-excavation reverse construction is usually adopted when the subway station is constructed or expanded, a large number of steel pipe columns are used as main construction structures of main bearing columns, namely when the bottom plate structure of the subway station is not closed, after the top plate is closed, the steel pipe column supporting structure is used as a main vertical bearing and force transmission structure of the station.
In the related art, when a steel pipe column supporting structure is installed, a jack for jacking is installed at the top position of the steel pipe column in order to meet the actual construction height environment and load requirements; because the top plate at the top of the steel pipe column is closed, after the steel pipe column structure is vertically installed, the jack needs to be installed at a position between the top plate structure and the top structure of the steel pipe column; because the layer height of the subway station is higher, the height of the steel pipe column structure for supporting is also higher, so that a constructor needs to take a lifting structure (such as a lifting platform) which can lift when installing the jack so as to reach the top position of the steel pipe column, and then holds the jack by hands so as to place the jack at the top position of the steel pipe column.
But the construction workers find in the actual construction process: the jack for lifting in the subway station has heavier weight (the general weight is more than 100 jin), the construction mode that the jack is held by a constructor and placed on the steel pipe column has higher construction strength on one hand, and on the other hand, the construction safety hidden trouble is more when the jack is constructed on a construction platform because the jack has heavier weight and higher working height position, so that the jack is inconvenient to install at the top position of the steel pipe column by the constructor; it is desirable to provide an auxiliary device that can be used for jack-up installation to reduce the work intensity of construction workers.
Disclosure of utility model
In order to provide an auxiliary device for facilitating construction workers to install a jack on the top of a steel pipe column and reduce the operation intensity of the construction workers, the application provides an auxiliary device for jacking installation of the jack.
The application provides an auxiliary device for jack lifting installation, which adopts the following technical scheme:
An auxiliary device for jack lifting installation comprises a lifting rod, a limiting claw piece for temporarily limiting and fixing a jack and a connecting piece for connecting the end position of an automobile crane; the limiting claw piece and the connecting piece are respectively arranged at two opposite ends of the jacking rod; when the lifting rod is in a lifting jack state, the installation height of the limiting claw piece is higher than that of the connecting piece.
By adopting the technical scheme, as the top plate at the top of the steel pipe column is in a closed state, namely the installation space at the top of the steel pipe column is limited, when the jack is installed in a jacking mode, the limiting claw piece enables the limiting height of one end of the jack to be higher than the height of the connecting piece (namely the installation height of the automobile crane) so as to be more beneficial to placing the jack, namely the jacking rod is in an upward inclined state at the moment; when the jack is in practical application, after the jack is temporarily limited and placed on the limiting claw piece, the jack is driven to move to the top position of the steel pipe column by the jacking rod of the end head through the automobile crane; at the moment, the construction workers bear on the lifting platform close to the top of the steel pipe column, and the jack can be lifted to fall on the top of the steel pipe column only by lifting the jack to the position of the limiting claw piece, so that the auxiliary device convenient for the construction workers to install the jack on the top of the steel pipe column is provided, and the working intensity of the construction workers is reduced.
Preferably, the limit claw member comprises a limit plate and a plurality of limit claws, one side of the limit plate is connected with the jacking rod, the other side of the limit plate is connected with a plurality of limit claws, and a plurality of limit claws are circumferentially arranged along the limit plate.
Through adopting above-mentioned technical scheme, limiting plate and a plurality of spacing claw form the spacing spatial structure that is used for interim spacing jack.
Preferably, the plurality of limiting support claws comprise a limiting bottom claw and a pair of limiting side claws, wherein the limiting bottom claw is arranged on one side, close to the connecting piece, of the limiting plate, and the two limiting side claws are respectively arranged on two opposite sides of the limiting plate.
Through adopting above-mentioned technical scheme, limiting plate, spacing end claw and two spacing side claws constitute a top and one side open-ended interim spacing space, be convenient for with the jack interim spacing on the jacking rod.
Preferably, the installation length of the limiting bottom claw along the horizontal direction is shorter than the installation length of the limiting side claw.
By adopting the technical scheme, after the jack is placed on the limiting claw piece, the limiting bottom claw is positioned at the bottom of the jack, the installation length of the limiting bottom claw is short at the moment, so that a worker can conveniently eject the whole jack out of the limiting claw piece, and the limiting side claw provides a guiding effect for ejection movement of the jack.
Preferably, the limiting plate is provided with a limiting ring, and an inner ring of the limiting ring penetrates through the jacking rod to be in rotary connection with the jacking rod; the lifting rod is provided with a limiting piece for fixing the limiting supporting claw on the lifting rod.
Through adopting the technical scheme, the limiting plate is rotationally connected with the lifting rod through the limiting ring, so that the whole limiting claw piece is rotationally connected with the lifting rod, after the jack is moved to the top position of the steel pipe column, the lifting angle of the lifting rod of the automobile crane is inconvenient to adjust due to the fact that the lifting angle of the automobile crane and the placement position of the jack possibly have conditions needing to be adjusted, and at the moment, after the limiting effect of the limiting piece is canceled, the limiting claw piece is rotated to adjust the angle of the jack, and then the jack is ejected out and falls to the top position of the steel pipe column; the applicability of the limiting claw piece is improved; the jack is convenient for the staff to install.
Preferably, the limiting piece comprises a limiting block and a bolt, the limiting block is fixedly arranged on the jacking rod, the limiting block is provided with a communication hole, and one limiting claw is provided with a plug hole; the bolt passes through the communication hole and is inserted into the insertion hole.
By adopting the technical scheme, the bolt is detachably connected with the limiting support claw, when the bolt is connected in the connecting hole of the limiting support claw, the limiting support claw and the limiting plate are limited in a specified state, and when the bolt is pushed out of the connecting hole of the limiting support claw, the limiting support claw and the limiting plate can rotate relative to the jacking rod, so that the jacking placement angle of the jacking rod can be adjusted; the limiting support claw is favorable for being temporarily limited and fixed on the jacking rod.
Preferably, the hole wall of the plug hole is provided with a plug groove communicated with the plug hole, the side wall of the plug pin is provided with a plug block, and the plug block is plugged in the plug groove.
By adopting the technical scheme, the plug-in block improves the plug-in stability of the plug-in holes of the plug pin and the limiting support claw.
Preferably, the lifting rod is bent.
By adopting the technical scheme, the lifting rod in the bent shape is more beneficial to moving the jack to the top position close to the steel pipe column and then placing the jack.
Preferably, the connecting piece comprises a connecting ring for allowing a lifting hook of the automobile crane to pass through, and the connecting ring is fixedly connected with the jacking rod.
By adopting the technical scheme, the connecting ring is detachably hooked with the lifting hook of the automobile crane; when the jack is installed by lifting the jack auxiliary device, the whole jack auxiliary device needs to be moved to the top position of the steel pipe column by using the automobile crane, and at the moment, the whole auxiliary device can be detachably installed on a hanger rod of the automobile crane by penetrating a connecting ring through a hanger of the automobile crane, so that the hanger of the automobile crane abuts against the inner side wall of the connecting ring, and the jack is placed on a limiting claw piece due to the heavy dead weight of the jack, and then the jack gives downward pressure to the hanger and the connecting ring, so that the jack is limited and fixed on a lifting rod; the operation is more convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
1. When the jack is installed in a jacking mode, the limiting claw piece enables the limiting height of one end of the jack to be higher than the height of the connecting piece (namely the installation height of the automobile crane), so that the jack can be placed conveniently, namely the jacking rod is in an upward inclined state at the moment; when the jack is in practical application, after the jack is temporarily limited and placed on the limiting claw piece, the jack is driven to move to the top position of the steel pipe column by the jacking rod of the end head through the automobile crane; at the moment, a constructor bears on a lifting platform close to the top of the steel pipe column, and the jack can be lifted to fall on the top of the steel pipe column only by lifting the jack out of the position of the limiting claw piece, so that the auxiliary device convenient for the constructor to install the jack on the top of the steel pipe column is provided, and the working intensity of the constructor is reduced;
2. The limiting plate is rotationally connected with the lifting rod through the limiting ring, so that the whole limiting claw piece is rotationally connected with the lifting rod, after the jack is moved to the top position of the steel pipe column, the lifting angle of the automobile crane and the placing position of the jack can be adjusted, but the lifting angle of the suspender of the automobile crane is inconvenient to adjust, at the moment, after limiting action of the limiting piece is canceled, the limiting claw piece is rotated to adjust the angle of the jack, and then the jack is ejected out and falls to the top position of the steel pipe column; the applicability of the limiting claw piece is improved; the jack is convenient for the staff to install;
3. The connecting ring is detachably hooked with the lifting hook of the automobile crane; when the jack is installed by lifting the jack auxiliary device, the whole jack auxiliary device needs to be moved to the top position of the steel pipe column by using the automobile crane, and at the moment, the whole auxiliary device can be detachably installed on a hanger rod of the automobile crane by penetrating a connecting ring through a hanger of the automobile crane, so that the hanger of the automobile crane abuts against the inner side wall of the connecting ring, and the jack is placed on a limiting claw piece due to the heavy dead weight of the jack, and then the jack gives downward pressure to the hanger and the connecting ring, so that the jack is limited and fixed on a lifting rod; the operation is more convenient.
Drawings
Fig. 1 is a schematic view of an installation structure of an auxiliary device for jack-up installation and a hook of an automobile crane according to an embodiment of the present application.
Fig. 2 is a schematic view of an installation structure of another view of an auxiliary device for jack-up installation according to an embodiment of the present application.
Reference numerals illustrate:
1. a lifting rod; 11. limiting lugs; 2. a limit claw member; 21. a limiting plate; 22. limiting support claws; 221. limiting the bottom claw; 222. limiting side claws; 23. a limiting ring; 24. a plug hole; 3. a connecting ring; 4. a limiting piece; 41. defining a block; 411. a communication hole; 42. a plug pin; 421. a plug block; 5. stiffening ribs; 90. a lifting hook; 91. and (5) an automobile crane.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses an auxiliary device for jack lifting installation. Referring to fig. 1 and 2, an auxiliary device for jack-up installation includes a jack-up lever 1, a limit claw member 2 for temporarily limiting and fixing a jack, and a connecting member (not shown in the jack-up drawing) for connecting to an end position of an automobile crane 91; the limiting claw piece 2 and the connecting piece are respectively arranged at the two opposite ends of the jacking rod 1; the jacking rod 1 is bent; when the lifting rod 1 is in a lifting jack state, the installation height of the limiting claw piece 2 is higher than that of the connecting piece; after the jack is temporarily limited and placed on the limiting claw piece 2, the lifting rod 1 at the end is driven by the automobile crane 91 to drive the jack to move to the top position of the steel pipe column, and a constructor only needs to push the jack out of the position of the limiting claw piece 2, so that the jack can be lifted and falls on the top position of the steel pipe column.
Referring to fig. 1 and 2, the connector includes a connection ring 3 for passing through a hook 90 of an automobile crane 91, and the connection ring 3 is fixedly connected with a lifting rod 1; the connecting ring 3 is detachably hooked with the lifting hook 90 of the automobile crane 91; when the lifting auxiliary device is used for lifting the installation jack, the whole lifting auxiliary device needs to be moved to the top position of the steel pipe column by the automobile crane 91, and at the moment, the whole auxiliary device can be detachably installed on a hanger rod of the automobile crane 91 by penetrating the connecting ring 3 through the hanger hook 90 of the automobile crane 91, so that the hanger hook 90 of the automobile crane 91 abuts against the inner side wall of the connecting ring 3; so that the whole jack-setting aid is fixed to the hook 90 of the truck crane 91 in a limited manner.
Referring to fig. 1 and 2, the limit claw member 2 includes a limit plate 21 and a plurality of limit claws 22, one side of the limit plate 21 is connected with the jacking rod 1, the other side of the limit plate 21 is connected with the plurality of limit claws 22, and the plurality of limit claws 22 are circumferentially arranged along the limit plate 21; in this embodiment, the plurality of limiting claws 22 are a limiting bottom claw 221 and a pair of limiting side claws 222, the limiting bottom claw 221 is mounted on one side of the limiting plate 21 close to the connecting piece, and the two limiting side claws 222 are respectively mounted on two opposite sides of the limiting plate 21; the installation length of the limit bottom jaw 221 in the horizontal direction is shorter than the installation length of the limit side jaw 222; the limiting plate 21, the limiting bottom jaw 221 and the two limiting side jaws 222 form a temporary limiting space with an opening at the top and one side, so that the jack is conveniently and temporarily limited on the lifting rod 1.
Referring to fig. 1 and 2, a stiffening rib 5 is connected between the bottom side of the limiting plate 21 and the jacking rod 1, and the stiffening rib 5 is beneficial to improving the torsion resistance between the limiting plate 21 and the jacking rod 1 and improving the installation strength of the limiting plate 21.
Referring to fig. 1 and 2, a plurality of limit rings 23 are installed at intervals on the limit plate 21, and an inner ring of the limit ring 23 passes through the jacking rod 1 to be rotatably connected with the jacking rod 1; in the embodiment, three limiting rings 23 are arranged, and the top end of the jacking rod 1 is also provided with limiting lugs 11 for limiting the limiting rings 23, wherein the limiting lugs 11 are beneficial to limiting the limiting rings 23 on the jacking rod 1; the jacking rod 1 is provided with a limiting piece 4 for fixing the limiting support claw 22 on the jacking rod 1; the lifting angle of the lifting rod of the automobile crane 91 and the placing position of the jack may have the condition of needing to be adjusted and moved, but the lifting angle of the lifting rod of the automobile crane 91 is inconvenient to adjust, and at the moment, after the limiting effect of the limiting piece 4 is canceled, the limiting claw piece 2 is rotated to adjust the angle of the jack, and then the jack is ejected out and falls to the top position of the steel pipe column; the applicability of the limiting claw piece 2 is improved; the jack is convenient for the staff to install.
Referring to fig. 1 and 2, the limiting member 4 includes a limiting block 41 and a latch 42, the limiting block 41 is fixedly mounted to the jacking rod 1, and the limiting block 41 is provided with a communication hole 411; the limiting block 41 is abutted against the limiting bottom claw 221, and the limiting bottom claw 221 is vertically provided with an inserting hole 24; the bolt 42 passes through the communication hole 411 and is inserted into the insertion hole 24; the bolt 42 is detachably inserted into the limit claw 22, when the bolt 42 is inserted into the insertion hole 24 of the limit claw 22, the limit claw 22 and the limit plate 21 are limited in a specified state, and when the bolt 42 is pushed out of the insertion hole 24 of the limit claw 22, the limit claw 22 and the limit plate 21 can rotate relative to the jacking rod 1, so that the jacking placement angle of the jacking rod 1 can be adjusted.
Referring to fig. 1 and 2, the wall of the plugging hole 24 is vertically provided with a plugging groove communicated with the plugging hole 24, and the cross section of the plugging groove is T-shaped; the side wall of the bolt 42 is provided with a plug block 421 matched with the plug groove, and the plug block 421 is plugged in the plug groove; the plug block 421 improves the plug stability of the plug pin 42 and the plug hole 24 of the limit pawl 22.
The implementation principle of the auxiliary device for jack lifting installation provided by the embodiment of the application is as follows: when the jack is in practical application, after the jack is temporarily limited and placed in a temporary limiting space formed by the limiting bottom claw 221 and the limiting side claw 222, the lifting rod 1 at the end of the boom is driven by the automobile crane 91 to drive the jack to move to the top position of the steel pipe column, at the moment, a constructor bears on a lifting platform close to the top position of the steel pipe column, and the jack can be lifted and falls to the top position of the steel pipe column only by lifting the jack out of the position in the temporary limiting space of the limiting claw part 2.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. The auxiliary device for jack lifting installation is characterized by comprising a lifting rod (1), a limiting claw piece (2) for temporarily limiting and fixing the jack and a connecting piece for connecting the end position of an automobile crane (91); the limiting claw piece (2) and the connecting piece are respectively arranged at the two opposite ends of the jacking rod (1); when the lifting rod (1) is in a lifting jack state, the installation height of the limiting claw piece (2) is higher than that of the connecting piece.
2. An auxiliary device for jacking installation of a jack according to claim 1, wherein the limit claw member (2) comprises a limit plate (21) and a plurality of limit claws (22), one side of the limit plate (21) is connected with the jacking rod (1), the other side of the limit plate (21) is connected with the plurality of limit claws (22), and the plurality of limit claws (22) are circumferentially arranged along the limit plate (21).
3. An auxiliary device for jacking installation of a jack according to claim 2, wherein the plurality of the limit claws (22) are a limit bottom claw (221) and a pair of limit side claws (222), the limit bottom claw (221) is installed at one side of the limit plate (21) close to the connecting piece, and the two limit side claws (222) are respectively installed at two opposite sides of the limit plate (21).
4. An auxiliary device for jacking installation of a jack as claimed in claim 3, wherein the installation length of the limit bottom jaw (221) in the horizontal direction is shorter than the installation length of the limit side jaw (222).
5. An auxiliary device for jacking installation of a jack as claimed in claim 2, wherein the limiting plate (21) is provided with a limiting ring (23), and an inner ring of the limiting ring (23) passes through the jacking rod (1) and is in rotary connection with the jacking rod (1); the lifting rod (1) is provided with a limiting piece (4) for fixing the limiting support claw (22) on the lifting rod (1).
6. An auxiliary device for jacking installation of a jack as claimed in claim 5, wherein said limiting member (4) comprises a limiting block (41) and a plug pin (42), said limiting block (41) being fixedly mounted to said jacking rod (1), said limiting block (41) being provided with a communication hole (411), one of said limiting claws (22) being provided with a plug hole (24); the bolt (42) passes through the communication hole (411) and is inserted into the insertion hole (24).
7. An auxiliary device for jacking installation of a jack as claimed in claim 6, wherein the wall of the insertion hole (24) is provided with an insertion groove communicated with the insertion hole (24), the side wall of the bolt (42) is provided with an insertion block (421), and the insertion block (421) is inserted into the insertion groove.
8. Auxiliary device for jack-up installation according to claim 1, characterized in that the lifting rod (1) is provided in a bent manner.
9. Auxiliary device for jacking installation of jacks according to claim 1, characterized in that said connection piece comprises a connection ring (3) for the passage of the hooks (90) of the truck crane (91), the connection ring (3) being fixedly connected with the jacking rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509290.XU CN220845227U (en) | 2023-09-14 | 2023-09-14 | Auxiliary device for jack lifting installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509290.XU CN220845227U (en) | 2023-09-14 | 2023-09-14 | Auxiliary device for jack lifting installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845227U true CN220845227U (en) | 2024-04-26 |
Family
ID=90774480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322509290.XU Active CN220845227U (en) | 2023-09-14 | 2023-09-14 | Auxiliary device for jack lifting installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845227U (en) |
-
2023
- 2023-09-14 CN CN202322509290.XU patent/CN220845227U/en active Active
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