CN218114859U

CN218114859U - Mounting structure of tower crane basis

Info

Publication number: CN218114859U
Application number: CN202222398746.5U
Authority: CN
Inventors: 卢振法
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-23
Anticipated expiration: 2032-09-09

Abstract

A mounting structure of a tower crane foundation comprises a bearing platform, wherein four supporting legs which are rectangular, four-corner-distributed and square-tubular are pre-embedded on the bearing platform, a standard joint which is opposite to the supporting legs is arranged above the bearing platform and comprises four vertical square tubes, vertical connecting pieces are fixedly welded on the supporting legs and comprise positioning sleeves, external thread sleeves are formed on the lower end surfaces of the positioning sleeves, vertical limiting grooves are formed on the outer walls of two opposite sides of the external thread sleeves, and nuts are screwed on the external thread sleeves; the lower extreme of the square pipe on the standard festival supports and leans on the up end of stabilizer blade, and the lower extreme welded fastening of square pipe has vertical and relative assembly sleeve pipe with the position sleeve pipe, and the last grafting of assembly sleeve pipe has the locating pin post of T type, and the lower extreme of locating pin post passes the position sleeve pipe and inserts and establish in the external screw thread sleeve pipe. This mounting structure has carried out rectification to the sleeve pipe structure on the stabilizer blade on the cushion cap, realizes the erection joint between standard festival and the stabilizer blade through the round pin post, and the erection joint is comparatively convenient and fast.

Description

Mounting structure of tower crane basis

The technical field is as follows:

the utility model relates to a tower crane's technical field, more specifically say and relate to a mounting structure on tower crane basis.

Background art:

when the tower crane is installed, a foundation needs to be manufactured, generally, a fixed supporting leg or a foundation bolt is embedded in a concrete bearing platform, then a standard joint adopted by a tower body of the tower crane is fixedly connected with the fixed supporting leg or the foundation bolt through a bolt assembly, and then the stability of the bottom of the tower crane and the safe construction of the tower crane are ensured. Standard festival on current tower crane is by square pipe standard festival and angle bar standard festival etc, wherein the stabilizer blade of the square pipe standard festival corresponding fixed leg generally adopts square tubular structure, its stabilizer blade can be on the outer wall of both sides and the equal welded fastening sleeve pipe in one corner that is close to cushion cap center, square pipe standard festival is last to be equipped with the sleeve pipe that corresponds with it, then the bolt passes two upper and lower relative sleeve pipe spiro union nuts, fasten again, in the installation, bolt installation does not have the problem on the outer wall of stabilizer blade both sides, but the bolt setting that is located a stabilizer blade angle department is at the inboard of standard festival, it is comparatively troublesome in the installation fastening, square pipe standard festival is not convenient with the erection joint of stabilizer blade.

The utility model has the following contents:

the utility model aims at providing a not enough to prior art, and provide a mounting structure of tower crane basis, it can make things convenient for the erection joint between the stabilizer blade on tower body lower extreme standard festival and the cushion cap.

A mounting structure of a tower crane foundation comprises a concrete ground, wherein a rectangular bearing platform is poured on the concrete ground, four supporting legs which are distributed in a rectangular four-corner mode and are in a square tubular shape are pre-buried on the bearing platform, the upper ends of the supporting legs are exposed out of the upper end face of the bearing platform, a standard joint opposite to the supporting legs is arranged above the bearing platform and comprises four vertical square pipes, vertical connecting pieces are fixedly welded on the outer walls of two sides of each supporting leg and one corner close to the center of the bearing platform, each connecting piece comprises a positioning sleeve, an external thread sleeve is formed on the lower end face of each positioning sleeve, vertical limiting grooves are formed on the outer walls of two opposite sides of the external thread sleeve, and nuts are screwed on the external thread sleeves; the lower end of the upper square pipe of the standard joint is abutted against the upper end face of the support leg, the lower end of the square pipe is fixedly welded with a vertical assembling sleeve opposite to the positioning sleeve, a T-shaped positioning pin column is inserted into the assembling sleeve, the lower end of the positioning pin column penetrates through the positioning sleeve and is inserted into the external thread sleeve, a vertical slot is formed in the positioning pin column, a T-shaped limiting pin shaft is inserted into the slot of the positioning pin column, and the two ends of the limiting pin shaft penetrate through limiting grooves in the two sides of the external thread sleeve and abut against the lower end face of the nut.

Preferably, the central axis of the positioning sleeve coincides with the central axis of the external thread sleeve, and the aperture of the inner hole of the positioning sleeve is equal to that of the inner hole of the external thread sleeve.

Preferably, the diameter of the outer wall of the external thread sleeve is smaller than that of the outer wall of the positioning sleeve.

Preferably, the round nut that the nut adopted, the shaping has a plurality of draw-in groove on the outer wall of nut, the draw-in groove is annular evenly distributed around the central axis of nut, the diameter of nut outer wall is less than the diameter of position sleeve outer wall.

Preferably, the width of the limiting groove on the external thread sleeve is equal to the diameter of the limiting pin shaft, and a pull ring is formed at the head of the limiting pin shaft.

Preferably, the side length of the cross section of the support leg is equal to the side length of the cross section of the tube above the standard joint.

The beneficial effects of the utility model reside in that:

this mounting structure has carried out rectification to the sleeve pipe structure on the stabilizer blade on the cushion cap, realizes the erection joint between standard festival and the stabilizer blade through the round pin post, and the erection joint is comparatively convenient and fast.

Description of the drawings:

fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the present invention without the standard knot;

fig. 4 is a schematic front view of the upper connecting member of the present invention;

fig. 5 isbase:Sub>A schematic sectional view atbase:Sub>A-base:Sub>A in fig. 4.

In the figure: 1. a concrete floor; 2. a bearing platform; 3. a support leg; 4. a standard section; 41. assembling a sleeve; 5. a connecting member; 51. positioning the sleeve; 511. an externally threaded sleeve; 512. a limiting groove; 52. a nut; 53. positioning the pin column; 531. a slot; 54. a limiting pin shaft; 541. and (4) a pull ring.

The specific implementation mode is as follows:

the embodiment is as follows: as shown in fig. 1 to 5, an installation structure of a tower crane foundation comprises a concrete ground 1, a rectangular bearing platform 2 is poured on the concrete ground 1, four rectangular supporting legs 3 which are distributed at four corners and are in a square tube shape are pre-buried on the bearing platform 2, the upper ends of the supporting legs 3 are exposed out of the upper end surface of the bearing platform 2, a standard section 4 opposite to the supporting legs 3 is arranged above the bearing platform 2, the standard section 4 comprises four vertical square tubes, vertical connecting pieces 5 are fixedly welded on the outer walls of two sides of the supporting legs 3 (the outer walls of the two sides are outer side walls close to the side edges of the bearing platform 2) and one corner close to the center of the bearing platform 2, each connecting piece 5 comprises a positioning sleeve 51, an external thread sleeve 511 is formed on the lower end surface of the positioning sleeve 51, vertical limiting grooves 512 are formed on the outer walls of the two sides opposite to the external thread sleeve 511, and nuts 52 are screwed on the external thread sleeve 511; the lower end of the upper square tube of the standard knot 4 is abutted against the upper end face of the support leg 3, the lower end of the square tube is fixedly welded with a vertical assembling sleeve 41 which is opposite to the positioning sleeve 51, a T-shaped positioning pin 53 is inserted into the assembling sleeve 41, the lower end of the positioning pin 53 penetrates through the positioning sleeve 51 and is inserted into the external thread sleeve 511, a vertical slot 531 is formed in the positioning pin 53, a T-shaped limit pin 54 is inserted into the slot 531 of the positioning pin 53, and two ends of the limit pin 54 penetrate through limit grooves 512 on two sides of the external thread sleeve 511 and are abutted against the lower end face of the nut 52.

The central axis of the positioning sleeve 51 coincides with the central axis of the external thread sleeve 511, the aperture of the inner hole of the positioning sleeve 51 is equal to the aperture of the inner hole of the external thread sleeve 511, and the inner hole of the positioning sleeve 51 coincides with the inner hole of the external thread sleeve 511, so that the positioning pin 53 is conveniently inserted.

The diameter of the outer wall of the externally threaded sleeve 511 is smaller than that of the outer wall of the positioning sleeve 51.

The nut 52 is a round nut, a plurality of clamping grooves are formed in the outer wall of the nut 52 and are uniformly distributed in an annular shape around the central axis of the nut 52, the diameter of the outer wall of the nut 52 is smaller than that of the outer wall of the positioning sleeve 51, and the nut 52 with the structure is convenient to rotate and fasten.

The width of the limiting groove 512 on the external thread casing 511 is equal to the diameter of the limiting pin 54, a pull ring 541 is formed at the head of the limiting pin 54, and the pull ring 541 is arranged to facilitate the pulling of the limiting pin 54 when the tower crane is dismounted.

The side length of the cross section of the support leg 3 is equal to the side length of the cross section of the pipe above the standard knot 4, the specification of the square pipe adopted by the support leg 3 is the same as that of the square pipe above the standard knot 4, the standard knot 4 and the support leg 3 can be conveniently matched, the insertion rod can be inserted into the support leg 3, the upper end of the insertion rod is inserted into the square pipe on the standard knot 4, and the insertion rod is utilized to facilitate positioning and connection.

The working principle is as follows: the utility model discloses a mounting structure on tower crane basis, mainly be the erection joint structure between tower crane body of the tower bottom of the tower and the ground basis, it adopts connecting piece 5 to go up position sleeve 51 structure and replaces former welded fastening to have the sleeve pipe on stabilizer blade 3, locating pin post 53 on the connecting piece 5, nut 52 and spacing round pin 54 replace bolt assembly, during concrete installation, as shown in FIG. 1, locating pin post 53 inserts and establishes position sleeve 51 and assembly sleeve 41, order about spacing round pin 54 through swivel nut 52 and move down, spacing round pin 54 moves down and can support the lower extreme that leans on slot 531 on locating pin post 53, along with the locking of nut 52, can be with locating pin post 53's take-up, and then realize erection joint, because nut 52 sets up the downside at standard festival 4, the rotation drive nut 52 is convenient, so also convenient during the installation.

The described embodiments are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims

1. The utility model provides a mounting structure of tower crane basis, includes concrete ground (1), has pour cushion cap (2) of rectangle on concrete ground (1), pre-buried being equipped with four rectangle four corners distributions and being square tube form stabilizer blade (3) on cushion cap (2), the up end of cushion cap (2) is exposed to the upper end of stabilizer blade (3), the top of cushion cap (2) is equipped with standard festival (4) relative with stabilizer blade (3), standard festival (4) include four vertical square pipes, its characterized in that: vertical connecting pieces (5) are fixedly welded on the outer walls of two sides of the supporting leg (3) and one corner close to the center of the bearing platform (2), each connecting piece (5) comprises a positioning sleeve (51), an external thread sleeve (511) is formed on the lower end face of each positioning sleeve (51), vertical limiting grooves (512) are formed on the outer walls of two opposite sides of each external thread sleeve (511), and nuts (52) are screwed on the external thread sleeves (511); the lower extreme of the square pipe on standard festival (4) supports and leans on the up end of stabilizer blade (3), the lower extreme welded fastening of square pipe has vertical and relative assembly sleeve pipe (41) with position sleeve pipe (51), it has T type locating pin post (53) to peg graft on assembly sleeve pipe (41), the lower extreme of locating pin post (53) passes position sleeve pipe (51) and inserts and establish in external screw thread sleeve pipe (511), the shaping has vertical slot (531) on locating pin post (53), it has T type spacing round pin axle (54) to peg graft in slot (531) of locating pin post (53), the both ends of spacing round pin axle (54) pass spacing groove (512) of external screw thread sleeve pipe (511) both sides and support and lean on the lower terminal surface of nut (52).

2. The mounting structure of a tower crane foundation according to claim 1, wherein: the central axis of the positioning sleeve (51) is coincident with the central axis of the external thread sleeve (511), and the aperture of the inner hole of the positioning sleeve (51) is equal to that of the inner hole of the external thread sleeve (511).

3. The mounting structure of a tower crane foundation according to claim 2, wherein: the diameter of the outer wall of the external thread sleeve (511) is smaller than that of the outer wall of the positioning sleeve (51).

4. A tower crane foundation mounting structure according to claim 3, wherein: the nut (52) adopts a round nut, a plurality of clamping grooves are formed in the outer wall of the nut (52), the clamping grooves are uniformly distributed in an annular mode around the central axis of the nut (52), and the diameter of the outer wall of the nut (52) is smaller than that of the outer wall of the positioning sleeve (51).

5. The mounting structure of a tower crane foundation according to claim 1, wherein: the groove width of the limiting groove (512) on the external thread sleeve (511) is equal to the diameter of the limiting pin shaft (54), and a pull ring (541) is formed at the head of the limiting pin shaft (54).

6. The mounting structure of a tower crane foundation according to claim 1, wherein: the side length of the cross section of the support leg (3) is equal to that of the cross section of the pipe above the standard joint (4).