CN113911950A - Device for synchronous top bracing construction of ring truss belt V-shaped inclined strut - Google Patents
Device for synchronous top bracing construction of ring truss belt V-shaped inclined strut Download PDFInfo
- Publication number
- CN113911950A CN113911950A CN202111383106.0A CN202111383106A CN113911950A CN 113911950 A CN113911950 A CN 113911950A CN 202111383106 A CN202111383106 A CN 202111383106A CN 113911950 A CN113911950 A CN 113911950A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- synchronous
- inclined strut
- shaped inclined
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a device for synchronous jacking construction of a ring truss belt V-shaped inclined strut, which comprises a hydraulic cylinder, wherein a hydraulic rod is arranged at the end part of the hydraulic cylinder, a hydraulic seat is arranged on one side of the hydraulic cylinder, the end part of the hydraulic seat is connected with a pressing piston, the top of the pressing piston is sleeved with a first sleeve, a cross rod is arranged inside one end of the first sleeve, a second sleeve is sleeved outside one end of the cross rod, and grooves are formed in two ends of the cross rod; according to the invention, the designed first sleeve, the second sleeve and the cross rod are mutually slidably sleeved and connected, the traditional separated type pressure rod is changed into a telescopic type and directly fixed on the hydraulic seat, the use is convenient and fast, the pressure is not easy to lose, the pressure application pressing device is convenient to apply pressure, the tension spring has good stretching elastic effect, and the first sleeve and the cross rod are quickly retracted under the condition of no external force, so that the quick storage is realized.
Description
Technical Field
The invention relates to the technical field of top bracing construction, in particular to a device for synchronous top bracing construction of a ring truss belt V-shaped inclined strut.
Background
The jack is pressed by a hydraulic piston to adjust the height of the telescopic ejector rod, the jack is applied to the synchronous jacking construction of the annular truss belt V-shaped inclined strut, the grid weight of the primary synchronous jacking of 42 jacks reaches 6500t, the jack is first applied in China, the construction method of 'jacking and shape finding' is used for the first time, the 'shape control is used as the main force control as the auxiliary' and the jig is used as the reaction frame to synchronously jack the upper grid structure to the simulation position, the design curve of the awning structure is observed, and the problem that the traditional process 'building force' and 'shape finding' are difficult to realize is solved.
The existing jack is placed at a designated position in use, and then is inserted into a sleeve of a pressing piston through a pressure rod, so that pressing is realized, the height adjustment of a telescopic ejector rod of the jack is realized, and the V-shaped inclined strut of the ring truss is synchronously jacked for construction.
Therefore, the invention provides a device for synchronous top bracing construction of an annular truss belt V-shaped inclined strut, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide a device for synchronous top bracing construction of a ring truss belt V-shaped inclined strut, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a device for synchronous jacking construction of a ring truss with V-shaped inclined struts comprises a hydraulic cylinder, wherein a hydraulic rod is arranged at the end part of the hydraulic cylinder, a supporting seat is arranged at the top end of the hydraulic rod, a supporting strip is slidably arranged on the supporting seat, a locking assembly is arranged below the supporting strip, a hydraulic seat is arranged on one side of the hydraulic cylinder, a pressing piston is connected to the end part of the hydraulic seat, a first sleeve is sleeved at the top of the pressing piston, a cross rod is arranged inside one end of the first sleeve, a second sleeve is sleeved outside one end of the cross rod, the first sleeve, the second sleeve and the cross rod are mutually slidably sleeved and connected through the designed first sleeve, the second sleeve and the cross rod, the traditional separated type pressing rod is changed into a telescopic type which is directly fixed on the hydraulic seat, the device is convenient to use and not easy to lose, force is convenient to press the device, grooves are formed in the two ends of the cross rod, connecting rings are fixed inside the first sleeve and the second sleeve, and a tension spring is connected between the two corresponding connecting rings, through the extension spring of design, the extension spring has good tensile elastic action, and then with first sleeve and horizontal pole under no exogenic action, retract fast, realize accomodating fast.
Preferably, the support bars are provided with four groups, the support bars are slidably mounted on the support seat at equal intervals, the bottom surfaces of the support bars are provided with positioning grooves, and the positioning grooves are provided with multiple groups of linear uniform equidistant arrays.
Preferably, the locking subassembly comprises the supporting shoe, the inserted bar post, the locating lever, the spacing ring, round pin axle, elastic component and holding ring, and supporting shoe fixed mounting is on the lateral wall of supporting seat, installs the inserted bar post on the supporting shoe, and it has the locating lever to peg graft on the inserted bar post, and the upper end of locating lever is passed the locating lever and is pegged graft in the constant head tank, has cup jointed spacing ring and elastic component on the locating lever, and the spacing ring is installed on the locating lever through the round pin axle, has cup jointed on the inserted bar post and has held the ring, holds ring plug-in type and installs at round pin epaxially.
Preferably, the rubber sleeve has been cup jointed to the second sleeve outer wall, and through the rubber sleeve of design, play the antiskid effect, avoid in pressing, the hand takes place the wet and slippery, and second sleeve and first telescopic longitudinal section are circular structure, and the slide opening has all been seted up to first sleeve and second sleeve outer wall, and the slide opening inboard is provided with the traveller, and through the traveller of design, the position that is located on the horizontal pole to two sleeves is injectd, avoids it to break away from each other, and the both ends outer wall at the horizontal pole is fixed to the traveller.
Preferably, the bottom end of the hydraulic cylinder is fixedly provided with eight thread cylinders which are round and uniform and are arranged at the bottom end of the hydraulic cylinder in an equirectangular manner.
Preferably, the lower extreme of a screw thread section of thick bamboo rotates and installs the screw thread ring, and adjusting screw is installed to the internal thread of screw thread ring, and adjusting screw's lower extreme welding has the base, and the internal lateral wall symmetric welding of screw thread has the handle pole, and when using, drives the screw thread ring through the handle pole and rotates, conveniently carries out horizontal adjustment to the pneumatic cylinder.
Preferably, the bottom lateral wall of pneumatic cylinder rotates installs the supporting leg, and the supporting leg is provided with the multiunit, is circular even equidistance and installs on the pneumatic cylinder, and the lower extreme of supporting leg rotates installs the footing board.
Preferably, the through holes are symmetrically formed in the base plate, and the base plate is fixed through the through holes by using rivets and the like conveniently.
Preferably, the bottom surface welding of footing board has the rake nail, and the rake nail is provided with the multiunit, is the matrix and arranges, makes more inseparabler of footing board and ground contact through the rake nail.
Preferably, the pneumatic cylinder front end surface is provided with the glib talker, and glib port department is provided with the oil plug, and the hydraulic cylinder bottom lateral wall is fixed with the reinforcing plate, and the longitudinal section of reinforcing plate is the triangle-shaped structure, through the reinforcing plate of design, to pneumatic cylinder bottom welding department, realizes consolidating, avoids it to take place the fracture.
Compared with the prior art, the invention has the beneficial effects that:
1. the designed first sleeve, the second sleeve and the cross rod are mutually sleeved and connected in a sliding manner, the traditional separated type pressure rod is changed into a telescopic type and directly fixed on a hydraulic seat, the use is convenient and fast, the pressure is not easy to lose, the pressure application and the pressing of the hydraulic pressure device are convenient, the tension spring has good tensile elastic effect, the first sleeve and the cross rod can quickly retract without external force, the quick storage is realized, the anti-skidding effect is realized through the designed rubber sleeve, the hand is prevented from being wet and slippery during the pressing, and the positions of the two sleeves on the cross rod are limited through the designed sliding column, so that the two sleeves are prevented from being separated from each other;
2. the bottom of the hydraulic cylinder is provided with the adjusting screw rod, the threaded ring and the threaded cylinder, so that the hydraulic cylinder can be horizontally adjusted by rotating the threaded ring, the hydraulic cylinder is prevented from inclining, and the use stability of the hydraulic cylinder is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an assembled cross-sectional view of the first sleeve, the second sleeve and the crossbar of the present invention;
FIG. 3 is an assembled top cross-sectional view of a second sleeve and cross-bar of the present invention;
FIG. 4 is an enlarged view of a portion A of the present invention;
FIG. 5 is a partial enlarged view of the invention at B;
FIG. 6 is a perspective view of the present invention;
FIG. 7 is a perspective view of the support base;
FIG. 8 is a cross-sectional view of the positioning assembly.
In the figure: the hydraulic cylinder 1, the hydraulic rod 2, the supporting seat 201, the supporting bar 202, the supporting block 211, the inserted link column 212, the positioning rod 213, the limiting ring 214, the pin shaft 215, the elastic part 216, the holding ring 217, the first sleeve 3, the hydraulic seat 4, the sliding column 5, the sliding hole 6, the rubber sleeve 7, the second sleeve 8, the cross rod 9, the connecting ring 10, the tension spring 11, the groove 12, the base 13, the adjusting screw 14, the threaded ring 15, the threaded cylinder 16, the handle bar 17, the supporting leg 18, the footing plate 19, the mounting hole 20 and the rake nail 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the device comprises a hydraulic cylinder 1, a hydraulic rod 2 is arranged at the end part of the hydraulic cylinder 1, a supporting seat 201 is installed at the top end of the hydraulic rod 2, a supporting bar 202 is installed on the supporting seat 201 in a sliding mode, a locking assembly is arranged below the supporting bar 202, a hydraulic seat 4 is arranged on one side of the hydraulic cylinder 1, a pressing piston is connected to the end part of the hydraulic seat 4, a first sleeve 3 is sleeved at the top of the pressing piston, a cross rod 9 is arranged inside one end of the first sleeve 3, a second sleeve 8 is sleeved outside one end of the cross rod 9, the first sleeve 3, the second sleeve 8 and the cross rod 9 are designed to be connected in a sliding mode, the traditional separated type pressing rod is changed into a telescopic type to be directly fixed on the hydraulic seat 4, the use is convenient, the V-shaped inclined strut is not easy to lose, and the V-shaped inclined strut synchronous jacking construction device is convenient to apply force and press the V-shaped inclined strut, grooves 12 are formed in two ends of the cross rod 9, and grooves 12 are formed in the grooves 12, First sleeve 3 all is fixed with go-between 10 with second sleeve 8 is inside, and is connected with extension spring 11 between two corresponding go-between 10, and through the extension spring 11 of design, extension spring 11 has good tensile elastic action, and then with first sleeve 3 and horizontal pole 9 under no exogenic action, retract fast, realize accomodating fast.
The support bars 202 are provided with four groups, and are evenly and equidistantly slidably mounted on the support seat 201, positioning grooves are formed in the bottom surface of the support bars 202, and a plurality of groups of positioning grooves are arranged in a linear even and equidistant array.
The locking assembly is by the supporting shoe 211, insert rod post 212, the locating lever 213, the spacing ring 214, round pin axle 215, elastic component 216 and holding ring 217 are constituteed, supporting shoe 211 fixed mounting is on the lateral wall of supporting seat 201, install insert rod post 212 on the supporting shoe 211, it has locating lever 213 to peg graft on insert rod post 212, the upper end of locating lever 213 passes locating lever 213 and pegs graft in the constant head tank, the realization is to the locking of support bar 202, spacing ring 214 and elastic component 216 have been cup jointed on locating lever 213, spacing ring 214 is installed on locating lever 213 through round pin axle 215, it has held ring 217 to cup joint on insert rod post 212, it installs on round pin axle 215 to hold ring 21 plug-in type, in the use, when the length position of support bar 202 needs to be adjusted, make supporting seat 201 when the supporting area of object is bigger, just can slip support bar 202, and lock it can through the locking assembly.
The bottom end of the hydraulic cylinder 1 is fixedly provided with eight thread cylinders 16, and the eight thread cylinders 16 are arranged at the bottom end of the hydraulic cylinder 1 in a circular uniform equal matrix manner.
The lower extreme of a screw thread section of thick bamboo 16 rotates and installs screw ring 15, and adjusting screw 14 is installed to screw ring 15 internal thread, and the lower extreme welding of adjusting screw 14 has base 13, and the lateral wall symmetric welding in screw ring 15 has handle bar 17, and when using, drives screw ring 15 through handle bar 17 and rotates, conveniently carries out horizontal adjustment to pneumatic cylinder 1.
The bottom lateral wall of pneumatic cylinder 1 rotates installs supporting leg 18, and supporting leg 18 is provided with the multiunit, is circular even equidistance and installs on pneumatic cylinder 1, and the lower extreme of supporting leg 18 rotates installs footing board 19.
Through holes are symmetrically formed in the footing plate 19, and rivets and the like are conveniently used through the through holes to fix the footing plate 19.
The bottom surface welding of footing board 19 has harrow nail 21, and harrow nail 21 is provided with the multiunit, is the matrix and arranges, makes footing board 19 inseparabler with ground contact through harrow nail 21.
The surface of the front end of the hydraulic cylinder 1 is provided with the oil nozzle, an oil plug is arranged at the port of the oil nozzle, a reinforcing plate is fixed on the side wall of the bottom end of the hydraulic cylinder 1, the longitudinal section of the reinforcing plate is of a triangular structure, and the reinforcing plate is used for reinforcing the welding position of the bottom of the hydraulic cylinder 1 to avoid cracking.
The working principle and the using process of the invention are as follows: when the hydraulic lifting device is used, an operator places the hydraulic lifting device at a designated position, then pulls the second sleeve 8 to enable the second sleeve 8 to exert tension on the cross rod 9, the outer wall of the cross rod 9 slides, the cross rod 9 slides in the first sleeve 3, and finally the hydraulic lifting device is in the longest extension state, at the moment, the second sleeve 8 is pressed to press the pressing piston on the hydraulic seat, the hydraulic rod 2 is lifted, after the operation is finished, the second sleeve 8 is pulled to be released, the tension spring 11 in the extension state recovers deformation to generate tension, and the three parts are retracted mutually to achieve the initial state.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a ring purlin takes synchronous shore construction of V-arrangement bracing to use device, includes pneumatic cylinder (1), pneumatic cylinder (1) tip is provided with hydraulic stem (2), and supporting seat (201) are installed on the top of hydraulic stem (2), and slidable mounting has support bar (202) on supporting seat (201), is equipped with the locking subassembly below support bar (202), pneumatic cylinder (1) one side is provided with hydraulic seat (4), hydraulic seat (4) end connection has presses the piston, first sleeve (3), its characterized in that have been cup jointed at the pressure piston top: the novel telescopic sleeve is characterized in that a cross rod (9) is arranged inside one end of the first sleeve (3), a second sleeve (8) is sleeved outside one end of the cross rod (9), grooves (12) are formed in two ends of the cross rod (9), the connecting rings (10) are fixed inside the grooves (12), the first sleeve (3) and the second sleeve (8), and tension springs (11) are connected between the two corresponding connecting rings (10).
2. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: the support bars (202) are provided with four groups, the support bars are slidably mounted on the support base (201) at equal intervals, positioning grooves are formed in the bottom surface of the support bars (202), and the positioning grooves are provided with a plurality of groups of linear uniform equidistant arrays.
3. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: the locking assembly is by supporting shoe (211), inserted bar post (212), locating lever (213), spacing ring (214), round pin axle (215), elastic component (216) and holding ring (217) are constituteed, supporting shoe (211) fixed mounting is on the lateral wall of supporting seat (201), install inserted bar post (212) on supporting shoe (211), it has locating lever (213) to peg graft on inserted bar post (212), the upper end of locating lever (213) is passed locating lever (213) and is pegged graft in the constant head tank, spacing ring (214) and elastic component (216) have been cup jointed on locating lever (213), spacing ring (214) are installed on locating lever (213) through round pin axle (215), it holds ring (217) to have been cup jointed on inserted bar post (212), it installs on round pin axle (215) to hold ring (21) plug-in type.
4. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: rubber sleeve (7) have been cup jointed to second sleeve (8) outer wall, the longitudinal section of second sleeve (8) and first sleeve (3) is circular structure, and slide opening (6) have all been seted up to first sleeve (3) and second sleeve (8) outer wall, slide opening (6) inboard is provided with traveller (5), traveller (5) are fixed at the both ends outer wall of horizontal pole (9).
5. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: the bottom end of the hydraulic cylinder (1) is fixedly provided with eight threaded cylinders (16), and the eight threaded cylinders (16) are arranged at the bottom end of the hydraulic cylinder (1) in a circular uniform equal matrix manner.
6. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: the lower extreme of a screw thread section of thick bamboo (16) is rotated and is installed screw ring (15), and adjusting screw (14) are installed to screw ring (15) internal thread, and the lower extreme welding of adjusting screw (14) has base (13), and the lateral wall symmetry welding in screw ring (15) has handle pole (17).
7. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: the bottom lateral wall of pneumatic cylinder (1) rotates installs supporting leg (18), and supporting leg (18) are provided with the multiunit, are circular even equidistance and install on pneumatic cylinder (1), and the lower extreme of supporting leg (18) rotates installs footing board (19).
8. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: through holes are symmetrically formed in the base plate 19.
9. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: the bottom surface welding of footing board (19) has harrow nail (21), and harrow nail (21) are provided with the multiunit, are the matrix and arrange.
10. The device for the synchronous shoring construction of the annular truss belt V-shaped inclined strut is characterized in that: the side wall of the bottom end of the hydraulic cylinder (1) is fixed with a reinforcing plate, and the longitudinal section of the reinforcing plate is of a triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111383106.0A CN113911950B (en) | 2021-11-22 | 2021-11-22 | Device for synchronous top bracing construction of ring truss belt V-shaped inclined strut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111383106.0A CN113911950B (en) | 2021-11-22 | 2021-11-22 | Device for synchronous top bracing construction of ring truss belt V-shaped inclined strut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113911950A true CN113911950A (en) | 2022-01-11 |
| CN113911950B CN113911950B (en) | 2023-04-11 |
Family
ID=79247694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111383106.0A Active CN113911950B (en) | 2021-11-22 | 2021-11-22 | Device for synchronous top bracing construction of ring truss belt V-shaped inclined strut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113911950B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051233A (en) * | 1989-09-21 | 1991-05-08 | Ets兄弟公司 | Make the locking device of the jack of straight line or annular movement |
| CN101220721A (en) * | 2008-01-25 | 2008-07-16 | 江苏通润工具箱柜股份有限公司 | Inhibit each other type safe multi-drawer locking mechanism |
| US20110297905A1 (en) * | 2010-06-04 | 2011-12-08 | Mobex of North Florida, Inc. | Swing support mobilization lift |
| CN102363513A (en) * | 2011-11-11 | 2012-02-29 | 江苏吉信远望船舶设备有限公司 | Swinging jack control device |
| CN102602842A (en) * | 2012-03-20 | 2012-07-25 | 常熟通润汽车零部件股份有限公司 | Horizontal hydraulic jack |
| CN109095381A (en) * | 2018-09-27 | 2018-12-28 | 饶银娥 | A kind of mechanical type hydraulic jack |
| CN208345652U (en) * | 2017-11-08 | 2019-01-08 | 苏州市润元汽车配件有限公司 | A kind of general-purpose type jack |
| CN112590610A (en) * | 2020-12-28 | 2021-04-02 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Battery box locking mechanism |
| CN212954226U (en) * | 2020-09-04 | 2021-04-13 | 高达重工(天津)有限公司 | Locking device of movable lifting workbench |
| CN213116931U (en) * | 2020-08-21 | 2021-05-04 | 河南远工机械设备有限公司 | Hydraulic cylinder with bottom anti-skidding and stable structure |
| CN113264464A (en) * | 2021-06-09 | 2021-08-17 | 中建八局第二建设有限公司 | Hydraulic jacking device |
-
2021
- 2021-11-22 CN CN202111383106.0A patent/CN113911950B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051233A (en) * | 1989-09-21 | 1991-05-08 | Ets兄弟公司 | Make the locking device of the jack of straight line or annular movement |
| CN101220721A (en) * | 2008-01-25 | 2008-07-16 | 江苏通润工具箱柜股份有限公司 | Inhibit each other type safe multi-drawer locking mechanism |
| US20110297905A1 (en) * | 2010-06-04 | 2011-12-08 | Mobex of North Florida, Inc. | Swing support mobilization lift |
| CN102363513A (en) * | 2011-11-11 | 2012-02-29 | 江苏吉信远望船舶设备有限公司 | Swinging jack control device |
| CN102602842A (en) * | 2012-03-20 | 2012-07-25 | 常熟通润汽车零部件股份有限公司 | Horizontal hydraulic jack |
| CN208345652U (en) * | 2017-11-08 | 2019-01-08 | 苏州市润元汽车配件有限公司 | A kind of general-purpose type jack |
| CN109095381A (en) * | 2018-09-27 | 2018-12-28 | 饶银娥 | A kind of mechanical type hydraulic jack |
| CN213116931U (en) * | 2020-08-21 | 2021-05-04 | 河南远工机械设备有限公司 | Hydraulic cylinder with bottom anti-skidding and stable structure |
| CN212954226U (en) * | 2020-09-04 | 2021-04-13 | 高达重工(天津)有限公司 | Locking device of movable lifting workbench |
| CN112590610A (en) * | 2020-12-28 | 2021-04-02 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Battery box locking mechanism |
| CN113264464A (en) * | 2021-06-09 | 2021-08-17 | 中建八局第二建设有限公司 | Hydraulic jacking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113911950B (en) | 2023-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113911950B (en) | Device for synchronous top bracing construction of ring truss belt V-shaped inclined strut | |
| CN207920074U (en) | A kind of form for construction engineering support boom device | |
| CN208918545U (en) | A kind of extension type tunnel excavation operation platform | |
| CN215511600U (en) | Demoulding machine | |
| CN111297640A (en) | Automatic adjusting walking aid | |
| CN113264464A (en) | Hydraulic jacking device | |
| CN214302762U (en) | Convenient locking structure for lifting scaffold | |
| CN110821209A (en) | Supporting beam frame for building construction | |
| CN216714058U (en) | Isolated column is used in movable planning | |
| CN219363113U (en) | Mechanical self-locking hydraulic jack | |
| CN214213700U (en) | Supporting mechanism for agricultural machine | |
| CN218067487U (en) | Performance detection device for waterproof material production | |
| CN214145742U (en) | Bulb tubular turbine heavy hammer supporting device capable of automatically lifting and moving | |
| CN218514915U (en) | Device for rapidly repairing lawn in lawn parking lot | |
| CN112160575A (en) | Bearing frame convenient for height adjustment for building construction | |
| CN218493198U (en) | Stress unloading decomposition device for producing steel structure | |
| CN219794920U (en) | Foundation pit guardrail | |
| CN213626796U (en) | Strutting arrangement for civil construction | |
| CN214142742U (en) | Cotton cloth preparation beating-up machine | |
| CN220539095U (en) | Balancing training floor tile | |
| CN212712538U (en) | Double-section super-long stroke vertical hydraulic jack | |
| CN219953214U (en) | Stainless steel folding stable assembly of ladder | |
| CN117166336A (en) | Asphalt pavement softening and repairing device for repairing damaged asphalt pavement | |
| CN215761558U (en) | Dead weight clamp holder | |
| CN213332170U (en) | Shock-absorbing backing plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 250014 17th floor, unit 1, phase II office building, Zhongjian cultural city, 16 Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant after: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Address before: 250014 18th floor, Zhongjian building, No.16, Wenhua East Road, Lixia District, Jinan City, Shandong Province Applicant before: THE SECOND CONSTRUCTION LIMITED COMPANY OF CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |