Conversion base of tower crane

Abstract

The utility model discloses a conversion base of a tower crane, and particularly relates to the technical field of crane bases, the conversion base comprises a conversion mounting seat, a mounting connecting cover is arranged on the outer side of the upper end of the conversion mounting seat, a limiting mounting sleeve is arranged on one side of the upper end of the conversion mounting seat, and a limiting mounting block is arranged on the end face of the lower side of the mounting connecting cover. A first supporting rod is arranged on the end face of the upper side of the conversion mounting base. When the tower crane conversion seat is actually used, the positions of the tower crane conversion seat and the tower crane mounting block can be conveniently adjusted under the corresponding arrangement state of the supporting connecting plate, the connecting threaded rod, the locking nut, the concave limiting groove and the limiting mounting block; therefore, the stability of installation and adjustment of the tower crane conversion base and the tower crane installation block is improved, various tower cranes can be conveniently installed, and meanwhile, a first supporting rod and a second supporting rod can be conveniently clamped and installed in a limiting installation sleeve, a limiting installation block, a second installation groove and a first installation groove.

Description

Technical Field

[0001] The utility model relates to the technical field of crane bases, and more specifically, to a conversion base of a tower crane. Background Art

[0002] Tower cranes are a common type of lifting equipment at construction sites. They have a large operating space and are mainly used for vertical and horizontal transportation of materials and installation of building components in housing construction. When installing a tower crane, in order to ensure the stability of the tower crane during operation, the installation base of the tower crane will be expanded, and the tower crane will be installed by converting the base. For example, the tower crane conversion base disclosed in the prior art announcement number (CN220684501U) is to hoist the four arm units and the center seat to the installation site respectively, and then install and connect the four arm units with the center seat respectively, and then install and connect the assembled base through the first base plate, the center seat and the anchor bolts on the concrete foundation. If the second base plate adopts an adjustable structure, when installing the base, the second base plate needs to be placed on the lower side of the support rod, and the bolts need to be inserted into the second installation hole of the second base plate in advance (from bottom to top).

[0003] When the above device is in use, the arm unit of the base is detachably connected to the center seat, which is convenient for transportation and installation. The first base plate is provided with a plurality of first mounting holes for connecting to a concrete foundation, and the second base plate is provided with a plurality of second mounting holes for connecting to a tower crane. The arm unit and the center seat are both installed and connected to the concrete foundation, and the base has good stability. However, after the arm unit, rotating block and center seat are installed, the arm unit is prone to shake on the outside of the center seat when the crane is working, thereby affecting the stability of the arm unit. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a conversion base of a tower crane. The technical problem to be solved by the utility model is: how to increase the stability of the installation of the conversion base of the tower crane.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a conversion base of a tower crane, comprising a conversion mounting seat, an installation connection cover is provided on the outer side of the upper end of the conversion mounting seat, a limit installation sleeve is provided on one side of the upper end of the conversion mounting seat, a limit installation block is provided on the lower end face of the installation connection cover, a first support rod is provided on the upper end face of the conversion mounting seat, a second support rod is provided on the upper end of the first support rod, and a first installation groove is provided in the middle of the upper end of the first support rod;

[0006] A second installation groove is provided in the middle of the lower end of the second support rod. An adjustment installation block is provided on the lower side of the outer end faces of the first support rod and the second support rod. A concave limiting groove is provided on one end face of the adjustment installation block. A support connection plate is provided inside the concave limiting groove. A limiting convex block is provided on the outer side of the lower end of the support connection plate.

[0007] In a preferred embodiment, an installation bolt is provided inside the limiting installation block, and a connecting threaded rod is provided on one side of the upper end of the support connection plate;

[0008] A tower crane conversion seat is provided on the outside of the upper end of the adjustment installation block. A tower crane installation block is provided in the middle of the upper end of the tower crane conversion seat.

[0009] In a preferred embodiment, a tower crane installation hole is provided on the outer end face of the tower crane installation block, and a locking nut is provided on the upper side of the outer end face of the connecting threaded rod;

[0010] Installation fixing plates are provided on one side of the lower ends of the first support rod and the second support rod. The outer end faces of the first support rod and the second support rod in the top view direction are both in contact with one side of the outer end face of the limiting installation sleeve.

[0011] In a preferred embodiment, a plurality of installation bolts are provided, and they are arranged in a circular array on the outside of the center point in the top view direction of the installation connection cover. A plurality of limiting installation blocks are provided, and they are arranged in a circular array on the outside of the center point in the top view direction of the installation connection cover;

[0012] The outer end face of the limiting installation block in the top view direction is adapted to the inner end face of the limiting installation sleeve in the top view direction.

[0013] In a preferred embodiment, the first support rod and the second support rod have the same specifications. The inner end face of the first installation groove is adapted to the outer end face of the second support rod, and the inner end face of the second installation groove is adapted to the outer end face of the first support rod;

[0014] The inner end face of the concave limiting groove in the top view direction is adapted to the outer end face of the support connection plate in the top view direction.

[0015] In a preferred embodiment, the inner side end face of the support connection plate is in contact with the outer end faces of the first support rod and the second support rod. The connecting threaded rod passes through the end face of the tower crane conversion seat and extends to its upper end;

[0016] The number of the support connection plates is two, and they are arranged in a mirror image state on both sides of the vertical central axis in the front view direction of the adjustment installation block.

[0017] The technical effects and advantages of the present utility model:

[0018] When the utility model is actually used, through the corresponding settings of the support connecting plate, the connecting threaded rod, the locking nut, the concave limiting groove and the limiting mounting block, the positions of the tower crane conversion seat and the tower crane mounting block can be conveniently adjusted, thereby increasing the stability of the installation and adjustment of the tower crane conversion seat and the tower crane mounting block, so as to facilitate the installation of various tower cranes. At the same time, in the limiting mounting sleeve, the limiting mounting block, the second mounting groove and the first mounting groove, the first support rod and the second support rod can be conveniently clamped and installed, thereby effectively increasing the stability of the installation and operation of the first support rod and the second support rod. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the support rod connection structure of the utility model.

[0021] Figure 3 It is a schematic diagram of the connection structure between the adjusting mounting block and the tower crane conversion seat of the utility model.

[0022] Figure 4 It is a schematic diagram of the main view sectional structure of the conversion mounting seat of the utility model.

[0023] The reference numerals are: 1 conversion mounting seat, 2 mounting connection cover, 3 first support rod, 4 adjusting mounting block, 5 mounting fixing plate, 6 second support rod, 7 limiting mounting sleeve, 8 limiting mounting block, 9 second mounting groove, 10 first mounting groove, 11 mounting bolt, 12 support connecting plate, 13 connecting threaded rod, 14 tower crane conversion seat, 15 tower crane mounting block, 16 tower crane mounting hole, 17 locking nut, 18 concave limiting groove, 19 limiting convex block. Detailed Embodiment

[0024] The utility model provides a conversion base for a tower crane, as Figure 1 and 2 shown, which includes a conversion mounting seat 1, the outer side of the upper end of which is provided with a mounting connection cover 2. A limiting mounting sleeve 7 is provided on one side of the upper end of the conversion mounting seat 1. A limiting mounting block 8 is provided on the lower end face of the mounting connection cover 2. A first support rod 3 is provided on the upper end face of the conversion mounting seat 1;

[0025] A second support rod 6 is provided at the upper end of the first support rod 3. A first installation groove 10 is provided in the middle of the upper end of the first support rod 3. A second installation groove 9 is provided in the middle of the lower end of the second support rod 6. In the corresponding clamped state of the first installation groove 10 and the second installation groove 9, the stability of the installation of the first support rod 3 and the second support rod 6 can be effectively increased, thereby increasing the stability of the crane installation work. An adjustment installation block 4 is provided on the lower side of the outer end faces of the first support rod 3 and the second support rod 6. An installation bolt 11 is provided inside the limit installation block 8. Installation fixing plates 5 are provided on one side of the lower ends of the first support rod 3 and the second support rod 6;

[0026] The outer end faces of the first support rod 3 and the second support rod 6 in the top view direction are both in contact with one side of the outer end face of the limit installation sleeve 7. The first support rod 3 and the second support rod 6 can be clamped by the limit installation sleeve 7, thereby preventing shaking after the crane is installed. A plurality of installation bolts 11 are provided, and they are arranged in an annular array outside the center point of the installation connection cover 2 in the top view direction. A plurality of limit installation blocks 8 are provided, and they are arranged in an annular array outside the center point of the installation connection cover 2 in the top view direction;

[0027] The outer end face of the limit installation block 8 in the top view direction is adapted to the inner end face of the limit installation sleeve 7 in the top view direction. The first support rod 3 and the second support rod 6 have the same specifications. The inner end face of the first installation groove 10 is adapted to the outer end face of the second support rod 6. The inner end face of the second installation groove 9 is adapted to the outer end face of the first support rod 3.

[0028] As Figure 3 and 4 shown, a concave limit groove 18 is provided on one side end face of the adjustment installation block 4. A support connecting plate 12 is provided inside the concave limit groove 18. A limit convex block 19 is provided on the outer side of the lower end of the support connecting plate 12. A connecting threaded rod 13 is provided on one side of the upper end of the support connecting plate 12. A tower crane conversion seat 14 is provided outside the upper end of the adjustment installation block 4;

[0029] A tower crane installation block 15 is provided in the middle of the upper end of the tower crane conversion seat 14. A tower crane installation hole 16 is provided on the outer side end face of the tower crane installation block 15. A locking nut 17 is provided on the upper side of the outer end face of the connecting threaded rod 13. It can facilitate the adjustment and fixation of the positions of the tower crane conversion seat 14 and the tower crane installation block 15, thereby facilitating the installation and fixation of cranes of different sizes. The inner end face of the concave limit groove 18 in the top view direction is adapted to the outer end face of the support connecting plate 12 in the top view direction;

[0030] The inner end face of the support connection plate 12 is in contact with the outer end faces of the first support rod 3 and the second support rod 6. The connection screw rod 13 passes through the end face of the tower crane conversion seat 14 and extends to its upper end. There are two support connection plates 12, and they are arranged in a mirror image state on both sides of the vertical central axis in the front view direction of the adjustment installation block 4.

[0031] Working principle of the present utility model:

[0032] When the present utility model is in use, the staff members engage the second installation groove 9 and the first installation groove 10. Subsequently, the staff members install the first support rod 3 and the second support rod 6 on the upper end of the conversion installation seat 1 and engage them on the outside of the limit installation sleeve 7. Then, the staff members can insert the limit installation block 8 into the inside of the limit installation sleeve 7. Subsequently, the conversion installation seat 1 and the installation connection cover 2 can be connected and fixed by the installation bolts 11. At the same time, the positions of the tower crane conversion seat 14 and the tower crane installation block 15 are adjusted according to the size of the crane. Then, the staff members can lock and fix the tower crane conversion seat 14 and the adjustment installation block 4 by the lock nut 17.

[0033] Finally, several points should be noted: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0034] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A conversion base of a tower crane, characterized in that, Including: A conversion mounting base (1), on the outer side of the upper end of which there is an installation connection cover (2). On one side of the upper end of the conversion mounting base (1), there is a limit mounting sleeve (7). On the lower side end face of the installation connection cover (2), there is a limit mounting block (8). On the upper side end face of the conversion mounting base (1), there is a first support rod (3). At the upper end of the first support rod (3), there is a second support rod (6). In the middle of the upper end of the first support rod (3), there is a first installation groove (10). In the middle of the lower end of the second support rod (6), there is a second installation groove (9). On the lower side of the outer end faces of the first support rod (3) and the second support rod (6), there is an adjustment mounting block (4). On one side end face of the adjustment mounting block (4), there is a concave limit groove (18). Inside the concave limit groove (18), there is a support connecting plate (12). On the outer side of the lower end of the support connecting plate (12), there is a limit convex block (19).

2. The conversion base of a tower crane according to claim 1, characterized in that: Inside the limit mounting block (8), there is a mounting bolt (11). On one side of the upper end of the support connecting plate (12), there is a connecting threaded rod (13). On the outside of the upper end of the adjustment mounting block (4), there is a tower crane conversion seat (14). In the middle of the upper end of the tower crane conversion seat (14), there is a tower crane mounting block (15).

3. The conversion base of a tower crane according to claim 2, characterized in that: On the outer side end face of the tower crane mounting block (15), there is a tower crane mounting hole (16). On the upper side of the outer end face of the connecting threaded rod (13), there is a locking nut (17). On one side of the lower ends of the first support rod (3) and the second support rod (6), there is an installation fixing plate (5). In the top view direction, the outer end faces of the first support rod (3) and the second support rod (6) are both in contact with one side of the outer end face of the limit mounting sleeve (7).

4. The conversion base of a tower crane according to claim 2, characterized in that: The number of the mounting bolts (11) is multiple, and they are arranged in an annular array state outside the center point in the top view direction of the installation connection cover (2). The number of the limit mounting blocks (8) is multiple, and they are arranged in an annular array state outside the center point in the top view direction of the installation connection cover (2). In the top view direction, the outer end face of the limit mounting block (8) is adapted to the inner end face of the limit mounting sleeve (7) in the top view direction.

5. The conversion base of a tower crane according to claim 1, characterized in that: The first support rod (3) and the second support rod (6) have the same specifications. The inner end face of the first installation groove (10) is adapted to the outer end face of the second support rod (6). The inner end face of the second installation groove (9) is adapted to the outer end face of the first support rod (3). In the top view direction, the inner end face of the concave limit groove (18) is adapted to the outer end face of the support connecting plate (12) in the top view direction.

6. The conversion base of a tower crane according to claim 2, characterized in that: The inner side end face of the support connecting plate (12) is in contact with the outer end faces of the first support rod (3) and the second support rod (6). The connecting threaded rod (13) passes through the end face of the tower crane conversion seat (14) and extends to its upper end. The number of the support connecting plates (12) is two, and they are arranged in a mirror state on both sides of the vertical central axis in the front view direction of the adjustment mounting block (4).

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