Steel lattice column for bearing platform type tower crane foundation
Technical Field
The invention relates to the field of tower crane foundation construction, in particular to a steel lattice column for a bearing platform type tower crane foundation.
Background
Tower crane (tower crane) is called tower crane in short, and is a rotary crane with a movable arm mounted on the upper part of a high tower body, and originates from western europe. Tower cranes are commonly used in the field of construction.
When the tower crane works on a construction site, a tower crane foundation needs to be installed on the ground, the tower crane is fixed on the tower crane foundation to work, and the tower crane foundation supports the tower crane.
At present, chinese patent with publication number CN107299643B discloses a steel lattice column combined type tower crane foundation structure in foundation ditch, prefabricated some bored concrete pile at the bottom of foundation ditch and foundation ditch, bored concrete pile is connected with steel lattice column, steel column, cushion cap and the pre-buried festival basis of tower crane in order from bottom to top, is equipped with the concrete stem in the steel lattice column, and prefabricated concrete stem passes through fixing bolt with steel lattice column and connects. Longitudinal bars are arranged in a plurality of piles forming a steel reinforcement cage in the cast-in-place pile, the steel reinforcement cage in the steel lattice column and the cast-in-place pile is welded and fixed, and the cast-in-place pile and the welding section of the steel lattice column are fastened with a detachable hoop.
With respect to the related art in the above, the inventors consider that: the steel lattice column passes through fixing bolt with the concrete stem and connects, because steel lattice column and concrete stem height all are higher, need a plurality of fixing bolt of bolt just can remain stable, carries out the bolt with steel lattice column and concrete stem through a plurality of bolts, and the operation is inconvenient for the efficiency of construction of steel lattice column is lower.
Disclosure of Invention
In order to improve the efficiency of construction of steel lattice column, this application provides a steel lattice column for bearing platform formula tower crane foundation.
The application provides a steel lattice column for bearing platform formula tower crane foundation adopts following technical scheme:
a steel lattice column for bearing platform type tower crane foundation comprises a concrete core column, modular lattice column, the concrete core column is vertical setting, all pre-buried a plurality of locking lever that is vertical arrangement on every lateral wall of concrete core column, the locking lever is the level setting, it has two locking grooves to open on the locking lever, two locking grooves are the symmetry setting about the axis of locking lever, modular lattice column includes four angle steel that are vertical setting, four angle steel encircle four angle departments of distribution at the concrete core column, a plurality of fixed plate of vertical arrangement is followed to fixedly connected with between every two adjacent angle steel, a plurality of fixed plate respectively with a plurality of locking lever one-to-one, it is connected with two locking blocks to slide on the fixed plate, the locking lever is located between two locking blocks, two locking blocks respectively with two locking groove one-to-ones, locking block and locking groove grafting cooperation, be connected with on the fixed plate and be used for driving the drive assembly that two locking blocks slided towards opposite direction.
Through adopting above-mentioned technical scheme, utilize two locking pieces of drive assembly drive to be close to each other and slide for the locking piece is inserted and is established in the locking inslot, makes two locking pieces and the locking lever that corresponds lock each other, through mutually supporting of a plurality of locking levers and the locking piece that corresponds, has realized the mutual locking of fixed plate and concrete core post, has reached the effect of being convenient for install steel lattice column, has improved the efficiency of construction of steel lattice column.
Optionally, a sliding groove is formed in the fixed plate along the sliding direction of the locking block, a sliding rod is fixedly connected to the locking block, and the sliding rod slides in the sliding groove.
By adopting the technical scheme, the sliding rod slides in the sliding groove, so that the stability of the locking block during sliding is improved.
Optionally, the driving assembly comprises a driving plate, the driving plate is vertically arranged and is rotatably connected to the fixing plate, a driving ring groove is formed in the driving plate, the driving ring groove is an oval ring groove, a guide shaft is connected to the sliding rod and slides in the driving ring groove, the driving plate rotates around the axis of the driving ring groove, and the axis of the locking rod penetrates through the center of the driving ring groove.
Through adopting above-mentioned technical scheme, rotating the drive plate, the drive plate drives the guiding axle and slides along the drive annular, and the guiding axle drives the slide bar and slides, because the drive annular is oval annular to order about the slide bar and remove along the spout, reached two locking blocks of drive and slided towards opposite direction.
Optionally, it has the perforation to open on the drive plate, and when the locking piece was inserted and is established locking inslot, the perforation was vertical setting, and it wears to be equipped with the locating lever to perforate in the perforation, is located a plurality of locating levers of same vertical direction and pegs graft the cooperation in proper order.
Through adopting above-mentioned technical scheme, be located a plurality of locating levers of same vertical direction and peg graft the cooperation in proper order for the coaxial setting of a plurality of locating levers, thereby lock the drive plate, reached and carried out the effect that locks to the locking piece, and then improved the fastening nature of fixed plate and concrete core post mutual locking.
Optionally, the spacing post of one end fixedly connected with of locating lever, spacing post and the coaxial setting of locating lever, the diameter of spacing post is greater than the fenestrate internal diameter, and when the locating lever was vertical setting, spacing post laminating in the roof of drive plate.
Through adopting above-mentioned technical scheme, spacing post receives the effect of gravity to laminate in the roof of drive plate, and spacing post plays the effect of restriction to the locating lever, has reduced the locating lever and has broken away from fenestrate possibility.
Optionally, a slot is formed in the limiting column along the axis of the limiting column, and the positioning rod is in inserting fit with the slot in the limiting column adjacent to the lower side.
Through adopting above-mentioned technical scheme, the slot grafting cooperation on locating lever and the adjacent spacing post of downside has reached the coaxial fixed effect of a plurality of locating levers that will be located same vertical direction.
Optionally, two guide plates are fixedly connected to the fixing plate, the two guide plates are parallel to each other, and the two sliding rods slide between the two guide plates.
Through adopting above-mentioned technical scheme, two deflectors play the effect of support and direction to sliding of slide bar, stability when having improved the slide bar and sliding to stability when having improved the locking piece and sliding.
Optionally, the guide plate is provided with a guide groove along the sliding direction of the slide rod, and the slide rod is connected with a guide block sliding in the guide groove.
Through adopting above-mentioned technical scheme, the guide block slides in the guiding groove, and the effect of direction is played in sliding of slide bar on the one hand, has improved the stability when the slide bar slides, and the slide bar is spacing on the other hand, has reduced the possibility that the slide bar breaks away from the deflector.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the mutual matching of the driving assembly, the locking block and the locking rod, the effect of conveniently locking the fixing plate and the concrete core column is achieved;
2. the driving assembly comprises a driving plate, a driving ring groove is formed in the driving plate, the driving ring groove is an elliptical ring groove, a guide shaft sliding in the driving ring groove is connected to the sliding rod, and the effect of driving the two locking blocks to slide towards opposite directions is achieved through mutual matching of the driving plate, the guide shaft and the sliding rod;
3. the drive plate is provided with a through hole along the vertical direction, the positioning rods are arranged in the through hole in a sliding and penetrating manner, and the positioning rods positioned in the same vertical direction are sequentially matched with one another in an inserting manner, so that the drive plate can be conveniently locked.
Drawings
FIG. 1 is a schematic structural diagram of a steel lattice column for a bearing platform type tower crane foundation in an embodiment of the application.
Fig. 2 is a schematic structural view of a concrete core column according to an embodiment of the present application.
Fig. 3 is a schematic structural view of the fixing plate and the guide plate according to the embodiment of the present application.
Fig. 4 is a schematic structural diagram of a driving assembly according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a fixing plate according to an embodiment of the present application.
Description of the reference numerals:
1. a concrete core column; 2. a modular lattice column; 21. angle steel; 22. a fixing plate; 221. a chute; 222. rotating the ring groove; 23. a guide plate; 231. a guide groove; 3. a locking lever; 31. a locking groove; 4. a slide bar; 41. a locking block; 42. a guide block; 43. a guide shaft; 5. a drive assembly; 51. a drive plate; 511. a drive ring groove; 512. perforating; 52. a rotating ring; 53. a knob; 6. positioning a rod; 61. a limiting column; 62. and (4) a slot.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a steel lattice column for a bearing platform type tower crane foundation.
Referring to fig. 1 and 2, a steel lattice column for bearing platform formula tower crane foundation includes concrete core column 1, combination formula lattice column 2, and concrete core column 1 is vertical setting and transversal personally submits squarely, all pre-buried a plurality of locking lever 3 that is vertical arrangement on every vertical lateral wall of concrete core column 1, and locking lever 3 is the horizontal setting, and concrete core column 1 is worn out to the one end of locking lever 3. Locking lever 3 is the round bar, and it has two locking grooves 31 to open on the circumference wall of locking lever 3, and two locking grooves 31 are the symmetry setting about the axis of locking lever 3, and two locking grooves 31 are located same level.
Referring to fig. 1, combined type lattice column 2 includes four angle steels 21 that are vertical setting, and four angle steels 21 encircle four angle departments that distribute at concrete core column 1, and a plurality of fixed plate 22 of vertical range is followed to fixedly connected with between every two adjacent angle steels 21, and fixed plate 22 is vertical setting, has the interval between fixed plate 22 and the concrete core column 1.
Referring to fig. 1 and 3, the plurality of fixing plates 22 respectively correspond to the plurality of locking rods 3 one by one, a sliding groove 221 is formed in the fixing plate 22 along the horizontal direction, two sliding rods 4 are slidably arranged in the sliding groove 221, and the sliding rods 4 are slidably connected with the fixing plates 22. The end of the slide rod 4 facing the concrete stem 1 is fixedly connected with a locking block 41, and the locking bar 3 is located between the two locking blocks 41.
Referring to fig. 2 and 3, two locking blocks 41 correspond to the two locking grooves 31 one to one, and the locking blocks 41 are inserted into and matched with the locking grooves 31. The fixed plate 22 is connected with a driving assembly 5 for driving the two sliding rods 4 to slide towards opposite directions.
Utilize drive assembly 5 drive two slide bars 4 to slide towards the direction that is close to each other, slide bar 4 drives locking piece 41 and removes, inserts two locking pieces 41 in the locking groove 31 that corresponds for two locking pieces 41 and locking lever 3 lock each other, thereby realized the mutual locking of fixed plate 22 and concrete core column 1, reached the effect of being convenient for install steel lattice column, thereby improved the efficiency of construction of steel lattice column.
Referring to fig. 2 and 3, in order to improve the stability of the sliding rod 4 during sliding, two guide plates 23 are fixedly connected to the side surface of the fixing plate 22 facing the concrete core column 1, the guide plates 23 are horizontally arranged, the two guide plates 23 are vertically arranged, and the two sliding rods 4 are both slid between the two guide plates 23. The two guide plates 23 provide guidance and support for the slide bar 4, thereby improving stability of the slide bar 4 when it slides.
Referring to fig. 3, the guide plate 23 is provided with guide grooves 231 along a horizontal direction, the slide rod 4 is connected with guide blocks 42 corresponding to the guide grooves 231 one by one, and the guide blocks 42 slide in the guide grooves 231, thereby improving stability of the guide plate 23 when sliding. Meanwhile, the guide block 42 limits the sliding rod 4, and reduces the possibility that the sliding rod 4 is separated from the fixing plate 22 and the sliding groove 221.
Referring to fig. 2 and 4, the driving assembly 5 includes a driving plate 51, the driving plate 51 is vertically disposed, a rotating ring 52 is fixedly connected to the driving plate 51, and the rotating ring 52 is coaxially disposed with the locking rod 3.
Referring to fig. 1 and 5, the side of the fixing plate 22 facing away from the concrete stem 1 is provided with a rotary ring groove 222.
Referring to fig. 4 and 5, the rotating ring 52 is rotatably coupled in the rotating ring groove 222 by a bearing. The drive plate 51 is rotatably connected to the fixed plate 22 via a rotating ring 52.
Referring to fig. 1 and 4, the driving plate 51 is attached to the side of the fixing plate 22 facing away from the concrete stem 1. Referring to fig. 5, therefore, the possibility of dust falling into the rotation ring groove 222 is reduced, and the possibility of damage to the bearing is reduced.
Referring to fig. 1, a knob 53 is fixedly coupled to a side of the driving plate 51 facing away from the fixing plate 22.
Referring to fig. 3 and 4, a driving ring groove 511 is formed in the side surface of the driving plate 51, which is attached to the fixing plate 22, the driving ring groove 511 is an elliptical ring groove, the axis of the rotating ring 52 passes through the center of the driving ring groove 511, a guide shaft 43 is fixedly connected to one end of the sliding rod 4, which is far away from the locking block 41, and the guide shaft 43 slides in the driving ring groove 511.
When the two sliding rods 4 on the fixing plate 22 need to be driven to slide towards opposite directions, the knob 53 rotates the driving plate 51, the driving plate 51 drives the guide shaft 43 to slide in the driving ring groove 511, and the guide shaft 43 drives the sliding rods 4 to slide along the length direction of the sliding groove 221, so that the effect of driving the two sliding rods 4 to slide towards opposite directions is achieved.
Referring to fig. 3 and 4, in order to lock the driving plate 51, the driving plate 51 is provided with a through hole 512, and an axis of the through hole 512 is parallel to a long axis of the driving ring groove 511. A positioning rod 6 is slidably arranged in the through hole 512 in a penetrating manner, one end of the positioning rod 6 is fixedly connected with a limiting column 61, the limiting column 61 and the positioning rod 6 are coaxially arranged, and the diameter of the limiting column 61 is larger than the inner diameter of the through hole 512. When the locking block 41 is inserted into the locking groove 31, the positioning rod 6 is vertically arranged, and the limit post 61 abuts against the top wall of the driving plate 51, so that the possibility that the positioning rod 6 is separated from the through hole 512 is reduced.
Referring to fig. 1 and 3, a slot 62 is formed in an end surface of the limiting column 61 away from the positioning rod 6, and the slot 62 and the limiting column 61 are coaxially arranged. The positioning rod 6 is inserted and matched with the slot 62 on the limit column 61 on the adjacent lower side.
During construction, the fixing plates 22 are sequentially locked from bottom to top. First, the lowermost driving plate 51 is rotated to insert the lowermost locking piece 41 into the locking groove 31, thereby locking the lowermost fixing plate 22. Then, when the lock block 41 is inserted into the lock groove 31 by rotating the drive plate 51 of the adjacent upper layer, the positioning rod 6 of the same layer is inserted into the insertion groove 62 of the stopper post 61 of the adjacent lower layer. Which in turn operate to lock the fixing plate 22 in turn with the concrete core column 1.
Locating lever 6 that is located same vertical direction pegs graft the cooperation back in proper order to make the coaxial mutual locking of locating lever 6 that is located same vertical direction and all be vertical setting, a plurality of locating levers 6 and a plurality of spacing post 61 mutually support, thereby realized the locking to a plurality of drive plates 51, and then reached the effect of locking the locking piece 41, improved the fastening nature of fixed plate 22 and concrete stem 1 mutual locking.
The implementation principle of the steel lattice column for the bearing platform type tower crane foundation is as follows: when the steel lattice column is installed, the angle steel 21 and the fixing plate 22 are welded, and the fixing plate 22 corresponds to the locking rods 3 one to one.
Then, the fixing plate 22 is sequentially locked from bottom to top, firstly, the driving plate 51 at the bottommost layer is rotated, the driving plate 51 drives the guide shaft 43 to slide in the driving ring groove 511, the guide shaft 43 drives the slide rod 4 to slide along the length direction of the sliding groove 221, the slide rod 4 drives the locking blocks 41 to slide, so that the two locking blocks 41 are driven to be inserted into the locking groove 31, the locking rod 3 and the two locking blocks 41 are mutually clamped, the guide block 42 limits the slide rod 4, and the fixing plate 22 and the concrete core column 1 are mutually locked through mutual positioning of the slide rod 4, the locking blocks 41, the locking rod 3, the guide block 42 and the guide plate 23.
Then, when the lock block 41 is inserted into the lock groove 31 by rotating the drive plate 51 of the adjacent upper layer, the positioning rod 6 of the same layer is inserted into the insertion groove 62 of the stopper post 61 of the adjacent lower layer. Operate in proper order to fix the fixed plate 22 in proper order with concrete stem 1 and lock, reached and be convenient for lock the effect with a plurality of fixed plates 22 respectively with concrete stem 1, improved the efficiency of steel lattice column construction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.