CN213805852U - Jacking device for mounting latticed shell - Google Patents
Jacking device for mounting latticed shell Download PDFInfo
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- CN213805852U CN213805852U CN202022537810.4U CN202022537810U CN213805852U CN 213805852 U CN213805852 U CN 213805852U CN 202022537810 U CN202022537810 U CN 202022537810U CN 213805852 U CN213805852 U CN 213805852U
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 5
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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Abstract
The utility model provides a jacking device for installation of a reticulated shell, which comprises a base, a jack and a support frame, wherein the support frame comprises a support fastener and a plurality of same standard sections, each standard section comprises four vertical support columns and four horizontal connecting rods, the bottom of each support column is provided with a connecting piece and a bolt ball, the bolt balls of two adjacent support columns are in threaded connection with the connecting rods, and the two adjacent standard sections are detachably connected; the supporting clamping piece is arranged at the top of the uppermost standard knot; the jack is fixedly arranged in the middle of the base, the jack is located inside the standard section at the lowest position, four inclined pull plates are arranged at the top of the jack, and the lower end of each inclined pull plate is detachably connected with a connecting piece. During jacking, the standard sections can be spliced on site at the bottom of the support frame, the jacking height is increased, a plurality of standard sections can be increased according to jacking requirements, and the requirement on the jacking height of the reticulated shell can be well met.
Description
Technical Field
The utility model belongs to the technical field of the reticulated shell installation and specifically relates to a jacking device for reticulated shell installation.
Background
In industrial construction engineering, the large-span reticulated shell structure is mostly used for factory buildings, aircraft assembly workshops, large warehouses and the like, and in the installation process of the large-span grid frame, the installation of the whole reticulated shell is difficult to achieve, so a splicing type installation method is needed, namely, a section of initial reticulated shell is firstly spliced on the ground, and then a new reticulated shell unit is spliced at the end part of the initial reticulated shell until the span of the whole reticulated shell meets the requirement. When splicing a new cell, the end of the cell needs to be jacked up, and as the span of the cell increases, the jacking height will increase continuously. At present, hoisting equipment such as a crane is generally adopted to hoist the end part of the reticulated shell, and the reticulated shell has a large volume, so that the volume of the crane adopted during hoisting is large, the crane occupies a large space, the heights of all parts of the reticulated shell are difficult to keep consistent, the heights of all parts of the reticulated shell are difficult to hoist to the same height, and the position precision of the reticulated shell is influenced. If the common jacking equipment such as a hydraulic cylinder is adopted, the jacking height is large, the lowest height is not lower than 3.5m generally, the jacking height of the conventional hydraulic jacking device is limited, if the jacking height needs to be increased, the height of the jacking device needs to be increased, and the installation and the movement are laborious if the jacking device is large in height.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a jacking device for net shell installation is provided, can adjust the jacking height as required, satisfies the jacking height of net shell installation, and self volume and weight are less, are convenient for remove, install.
The utility model provides a technical scheme that its technical problem adopted is: the jacking device for mounting the reticulated shell comprises a base, a jack and a support frame, wherein the support frame comprises a support clamping piece and a plurality of same standard sections, each standard section comprises four vertical support columns and four horizontal connecting rods, a connecting piece and a bolt ball are arranged at the bottom of each support column, the bolt balls of two adjacent support columns are in threaded connection with the connecting rods, and the two adjacent standard sections are detachably connected; the supporting clamping piece is arranged at the top of the uppermost standard knot; the jack is fixedly arranged in the middle of the base, the jack is located inside the standard section at the lowest position, four inclined pull plates are arranged at the top of the jack, and the lower end of each inclined pull plate is detachably connected with a connecting piece.
Furthermore, the bottom of the bolt ball is provided with a positioning hole, and the upper end of the support column of the lower standard knot is inserted into the positioning hole of the upper standard knot.
Furthermore, the connecting piece is a connecting lug piece welded on the bolt ball, a horizontal upper supporting plate and a horizontal lower supporting plate are arranged at the top of the jack, four pairs of vertical positioning plates are arranged between the upper supporting plate and the lower supporting plate, and an upper bolt is arranged between each pair of positioning plates; the inclined pull plate comprises a first pull plate, a second pull plate and a third pull plate, the upper end of the first pull plate is located between the two positioning plates and in clearance fit with the upper bolt, the upper end of the second pull plate and the upper end of the third pull plate are respectively located on two side faces of the lower end of the first pull plate, the second pull plate and the third pull plate are hinged to the first pull plate through a middle bolt, the lower end of the second pull plate and the lower end of the third pull plate are respectively located on two side faces of the connecting lug piece, and the second pull plate and the third pull plate are hinged to the connecting lug piece through a lower bolt.
Further, the lower support plate is provided with a flexible measuring tape.
Furthermore, each side surface of the standard knot is provided with an oblique reinforcing rod, and the oblique reinforcing rods are connected with the ball threads of the bolts.
Furthermore, a spherical positioning groove is formed in the top of the supporting clamping piece.
The utility model has the advantages that: the jack has smaller overall height and weight, and is convenient to move, install and position. The support frame can be dismantled by a plurality of standard festival and connect and form, and the standard festival can be dismantled the concatenation by the connecting rod and the support column that has set up the bolt ball and form, dismantles connecting rod and support column earlier during the transport, can reduce the volume by a wide margin. During jacking, the standard sections can be spliced on site at the bottom of the support frame, the jacking height is increased, a plurality of standard sections can be increased according to jacking requirements, and the requirement on the jacking height of the reticulated shell can be well met.
Drawings
FIG. 1 is an overall front view schematic of a jacking device;
FIG. 2 is a schematic top view of Y-Y of FIG. 1;
reference numerals: 11-a jack; 12-a base; 13-standard section; 14-a support column; 15-a connecting rod; 16-a diagonal draw plate; 17-bolt ball; 18-an upper support plate; 19-lower support plate; 20, positioning a plate; 21, mounting a bolt; 22-middle bolt; 23-lower bolt; 24-measuring tape; 25-diagonal reinforcement bar; 26-support clip; 27-connecting piece.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 and 2, the jacking device of the present invention includes a base 12, a jack 11 and a support frame, the support frame includes a support fastener 26 and a plurality of same standard knots 13, each standard knot 13 includes four vertical support columns 14 and four horizontal connecting rods 15, the bottom of each support column 14 is provided with a connecting piece 27 and a bolt ball 17, the bolt balls 17 of two adjacent support columns 14 are in threaded connection with the connecting rods 15, and two adjacent standard knots 13 are detachably connected; the supporting clamping piece 26 is arranged at the top of the uppermost standard knot 13; the jack 11 is fixedly arranged in the middle of the base 12, the jack 11 is located inside the standard section 13 at the lowest part, four inclined pull plates 16 are arranged at the top of the jack 11, and the lower end of each inclined pull plate 16 is detachably connected with a connecting piece 27.
The jack 11 has a small overall height, and is convenient to move, install and position. The supporting clamping pieces 26 are used for supporting the reticulated shell, and spherical grooves are formed in the top ends of the supporting clamping pieces 26 and are matched with spherical nodes of the reticulated shell, so that the spherical nodes of the shell can be stably supported. The supporting frame is through a plurality of standard knots 13 of dismantling the connection, and the jacking height can be adjusted through increasing the quantity of standard knot 13. In order to increase a new standard joint 13 at the bottom of the support frame, a connecting rod 15 of the standard joint 13 is in threaded connection with a bolt ball 17, and four support columns 14 and four connecting rods 15 can be spliced into a rectangular frame structure on site. The bottom of the bolt ball 17 is provided as a flat surface so as to be stably seated on the base 12. After the jack 11 jacks the support frame to a certain height, the support frame can be assembled around the jack 11 below the support frame, so that a new standard joint 13 is formed, and the new standard joint 13 is connected with the support frame to obtain the support frame with the increased height. Since the top of the jack 11 is detachably connected with the connecting piece 27 at the bottom of the supporting column 14 through the inclined pulling plate 16, the connection between the inclined pulling plate 16 and the connecting piece 27 can be released, and then the lower end of the inclined pulling plate 16 is connected to the connecting piece 27 of the new standard knot 13, so that the supporting clamping piece 26 can be lifted to a higher height.
The jacking process of the jacking device comprises the following steps:
the top rod of the jack 11 moves upwards, and the lowest standard knot 13 is pulled to move upwards through the inclined pull plate 16, so that the whole support frame is jacked up, and the jacking height is greater than the height of one standard knot 13;
splicing four support columns 14 and four connecting rods 15 into a new standard joint 13 on a base 12 below the support frame, and then driving the support frame to descend by a jack 11 so as to connect the support frame with the new standard joint 13;
detaching the inclined pulling plate 16 from the connecting piece 27, continuing to descend the mandril of the jack 11, and then connecting the inclined pulling plate 16 to the connecting piece 27 of the new standard knot 13;
and repeating the process until the jacking height meets the technological requirement.
In order to conveniently and rapidly install the new standard knot 13 at the bottom of the support frame, the bottom of the bolt ball 17 is provided with a positioning hole, and the upper end of the support column 14 of the lower standard knot 13 is inserted into the positioning hole of the upper standard knot 13. The diameters of the two ends of the supporting column 14 are smaller than the diameter of the middle part, the new standard knot 13 is put on the base 12 after being assembled, the upper end of the supporting column 14 is aligned to the positioning hole of the bolt ball 17 at the bottom of the supporting frame, and in the process that the supporting frame is driven by the jack 11 to move downwards, the upper end of the supporting column 14 is inserted into the positioning hole, namely, the new standard knot 13 is assembled with the supporting frame.
The diagonal draw plate 16 may be a unitary steel plate that is bolted to the attachment member 27. In the process that the jack 11 drives the support frame to move downwards, when the support column 14 of the lower standard knot 13 supports the bolt ball 17 at the bottom of the support frame, the ejector rod of the jack 11 cannot move downwards continuously, because assembly errors inevitably exist in assembly of the standard knot 13, it may happen that part of the support column 14 of the lower standard knot 13 stably supports the bolt ball 17, the top end of part of the support column 14 is not in close contact with the bottom of the positioning hole of the bolt ball 17 and does not stably support the bolt ball 17, the acting force of the bolt ball 17 is still borne by the corresponding inclined pull plate 16, and at the moment, a large acting force exists at the joint of the inclined pull plate 16 and the connecting piece 27, and the inclined pull plate is difficult to disassemble. In order to solve this problem:
the connecting piece 27 of the utility model is a connecting lug piece welded on the bolt ball 17, the top of the jack 11 is provided with a horizontal upper supporting plate 18 and a horizontal lower supporting plate 19, four pairs of vertical positioning plates 20 are arranged between the upper supporting plate 18 and the lower supporting plate 19, and an upper bolt 21 is arranged between each pair of positioning plates 20; the inclined pulling plate 16 comprises a first pulling plate, a second pulling plate and a third pulling plate, the upper end of the first pulling plate is located between the two positioning plates 20 and is in clearance fit with the upper bolt 21, the upper end of the second pulling plate and the upper end of the third pulling plate are respectively located on two side faces of the lower end of the first pulling plate, the second pulling plate and the third pulling plate are hinged to the first pulling plate through a middle bolt 22, the lower end of the second pulling plate and the lower end of the third pulling plate are respectively located on two side faces of the connecting lug piece, and the second pulling plate and the third pulling plate are hinged to the connecting lug piece through a lower bolt 23.
The positioning plates 20 arranged in pairs can stably support the upper bolts 21; the second pulling plate and the third pulling plate are parallel to each other, the middle bolt 22 and the lower bolt 23 can be stably supported, and the joint of the upper bolt 21, the middle bolt 22 and the lower bolt 23 is guaranteed to have high bearing capacity. The upper bolt 21 penetrates through the first pulling plate and is in clearance fit with the first pulling plate, the middle bolt 22 and the lower bolt 23 penetrate through the second pulling plate and the third pulling plate and is in clearance fit with the second pulling plate and the third pulling plate, so that the upper end and the lower end of the first pulling plate, the second pulling plate and the third pulling plate are hinged, in the process that the jack 11 drives the supporting frame to move downwards, when the supporting column 14 of the lower standard knot 13 supports the bolt ball 17 at the bottom of the supporting frame, the jack 11 can also continuously descend, at the moment, the first pulling plate, the second pulling plate and the third pulling plate can rotate until the 4 supporting columns 14 of the new standard knot 13 completely support the 4 bolt balls 17 at the bottom of the supporting frame, the load of the supporting frame is completely transmitted to the supporting columns 14, the first pulling plate, the second pulling plate and the third pulling plate can not bear the load any more, and no redundant acting force exists at the connection part of the second pulling plate and the third pulling plate and the connecting piece 27, the lower bolts 23 can be quickly removed and the lower ends of the second and third pulling plates can be removed from the connecting members 27. In the jacking process of the jack 11 again, the first pulling plate, the second pulling plate and the third pulling plate rotate until the axes coincide, and the load of the whole support frame can be borne.
To facilitate control of the jacking height, the lower support plate 19 is provided with a flexible measuring tape 24. The measuring tape 24 may be a measuring tape, and the jacking height may be calculated by measuring the distance from the lower support plate 19 to a reference below the measuring tape 24.
Each side of the standard knot 13 is provided with a diagonal reinforcement bar 25, said diagonal reinforcement bar 25 being in threaded connection with the bolt ball 17. When the new standard knot 13 is connected with the support frame, the bolt ball 17 at the bottom of the support frame is connected with the bolt ball 17 of the new standard knot 13 through the inclined reinforcing rod 25, so that the strength of the standard knot 13 can be improved, and the stability is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A jacking device for net shell installation, its characterized in that: the support frame comprises a base (12), a jack (11) and support frames, wherein the support frame comprises support clamping pieces (26) and a plurality of same standard sections (13), each standard section (13) comprises four vertical support columns (14) and four horizontal connecting rods (15), a connecting piece (27) and a bolt ball (17) are arranged at the bottom of each support column (14), the bolt balls (17) of two adjacent support columns (14) are in threaded connection with the connecting rods (15), and the two adjacent standard sections (13) are detachably connected; the supporting clamping piece (26) is arranged at the top of the uppermost standard knot (13); the jack (11) is fixedly arranged in the middle of the base (12), the jack (11) is located inside the standard section (13) at the lowest part, four inclined pull plates (16) are arranged at the top of the jack (11), and the lower end of each inclined pull plate (16) is detachably connected with a connecting piece (27).
2. The jacking device for latticed shell installation as claimed in claim 1, wherein: the bottom of the bolt ball (17) is provided with a positioning hole, and the upper end of the support column (14) of the lower standard knot (13) is inserted into the positioning hole of the upper standard knot (13).
3. A jacking apparatus for use in the installation of a reticulated shell as claimed in claim 2, wherein: the connecting piece (27) is a connecting lug welded on the bolt ball (17), the top of the jack (11) is provided with a horizontal upper supporting plate (18) and a horizontal lower supporting plate (19), four pairs of vertical positioning plates (20) are arranged between the upper supporting plate (18) and the lower supporting plate (19), and an upper bolt (21) is arranged between each pair of positioning plates (20); the inclined pulling plate (16) comprises a first pulling plate, a second pulling plate and a third pulling plate, the upper end of the first pulling plate is located between the two positioning plates (20) and is in clearance fit with the upper bolt (21), the upper end of the second pulling plate and the upper end of the third pulling plate are respectively located on two side faces of the lower end of the first pulling plate, the second pulling plate and the third pulling plate are hinged to the first pulling plate through a middle bolt (22), the lower end of the second pulling plate and the lower end of the third pulling plate are respectively located on two side faces of the connecting lug piece, and the second pulling plate and the third pulling plate are hinged to the connecting lug piece through a lower bolt (23).
4. A jacking apparatus for use in the installation of a reticulated shell as claimed in claim 3, wherein: the lower support plate (19) is provided with a flexible measuring tape (24).
5. The jacking device for latticed shell installation as claimed in claim 1, wherein: and each side surface of the standard knot (13) is provided with an inclined reinforcing rod (25), and the inclined reinforcing rods (25) are in threaded connection with the bolt balls (17).
6. The jacking device for latticed shell installation as claimed in claim 1, wherein: the top of the supporting clamping piece (26) is provided with a spherical positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022537810.4U CN213805852U (en) | 2020-11-05 | 2020-11-05 | Jacking device for mounting latticed shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022537810.4U CN213805852U (en) | 2020-11-05 | 2020-11-05 | Jacking device for mounting latticed shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213805852U true CN213805852U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022537810.4U Active CN213805852U (en) | 2020-11-05 | 2020-11-05 | Jacking device for mounting latticed shell |
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| Country | Link |
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| CN (1) | CN213805852U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359975A (en) * | 2020-11-05 | 2021-02-12 | 中国十九冶集团有限公司 | Installation method for preventing latticed shell from laterally moving |
| CN114016618A (en) * | 2021-11-04 | 2022-02-08 | 山东建筑大学 | Jacking device |
-
2020
- 2020-11-05 CN CN202022537810.4U patent/CN213805852U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359975A (en) * | 2020-11-05 | 2021-02-12 | 中国十九冶集团有限公司 | Installation method for preventing latticed shell from laterally moving |
| CN112359975B (en) * | 2020-11-05 | 2022-04-15 | 中国十九冶集团有限公司 | Installation method for preventing latticed shell from laterally moving |
| CN114016618A (en) * | 2021-11-04 | 2022-02-08 | 山东建筑大学 | Jacking device |
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