CN213326436U - Adjustable tower crane support frame - Google Patents
Adjustable tower crane support frame Download PDFInfo
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- CN213326436U CN213326436U CN202021490815.XU CN202021490815U CN213326436U CN 213326436 U CN213326436 U CN 213326436U CN 202021490815 U CN202021490815 U CN 202021490815U CN 213326436 U CN213326436 U CN 213326436U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
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- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
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Abstract
The utility model discloses an adjustable tower crane support frame, which comprises a counterweight base, an annular support frame, a first adjusting mechanism and a second adjusting mechanism; counterweight base: the top of the base is fixedly provided with a bearing base, and the counterweight base is rotatably connected with a turntable through the bearing base; annular support frame: the bottom is connected with the counterweight base through a supporting unit; the first adjusting mechanism: the servo motor is arranged on the annular supporting frame, the screw rod is fixed on an output shaft of the servo motor, the transmission nut is in threaded connection with the screw rod, and the end part of the screw rod is connected with the side surface of the bearing base through a sliding mechanism; the adjustable tower crane support frame is strong in adjusting capacity, high in connection strength, good in use safety and good in stability.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a tower crane support frame with adjustable.
Background
The crane has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately, the crane is developed and used more and more widely in the market, the crane plays an important role in the current building industry, all building material transportation and building component installation are completed by the crane, the crane support frame plays a vital role in the safe operation of the system, a support frame is not arranged between a rotary table and a base of the lower rotary tower crane, the rotary table and the base are connected only through a slewing bearing, the connection strength is low, and the use safety is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a tower crane support frame with adjustable, the regulating power is strong, and joint strength is high, and the safety in utilization is good, and the stationarity is good, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable tower crane support frame comprises a counterweight base, an annular support frame, a first adjusting mechanism and a second adjusting mechanism;
counterweight base: the top of the base is fixedly provided with a bearing base, and the counterweight base is rotatably connected with a turntable through the bearing base;
annular support frame: the bottom is connected with the counterweight base through a supporting unit;
the first adjusting mechanism: the servo motor is arranged on the annular supporting frame, the screw rod is fixed on an output shaft of the servo motor, the transmission nut is in threaded connection with the screw rod, and the end part of the screw rod is connected with the side surface of the bearing base through a sliding mechanism;
the second adjusting mechanism: the hydraulic mechanism comprises a hinge, an electric hydraulic push rod and a second hinge, wherein the head of the electric hydraulic push rod is hinged with a transmission nut through the hinge, the telescopic end part of the electric hydraulic push rod is hinged with a third adjusting mechanism through the second hinge, and the third adjusting mechanism is arranged on the side surface of a rotary table;
the input ends of the electric hydraulic push rod and the servo motor are electrically connected with the output end of an external controller.
Further, the supporting unit comprises an elastic damper, a rotary bearing and a supporting seat, the supporting seat is rotatably connected with the counterweight base through the rotary bearing, the elastic damper is fixed between the supporting seat and the annular supporting frame, the first adjusting mechanism drives the annular supporting frame to rotate, the annular supporting frame drives the supporting seat to rotate through the elastic damper, the supporting seat rotates relative to the counterweight base through the rotary bearing, the elastic damper is used for elastically supporting the supporting seat and the annular supporting frame, the connection strength of the elastic damper is high, and the rotary table rotating stability is guaranteed through the elastic support.
Furthermore, the sliding mechanism comprises an annular sliding rail and a sliding block, the annular sliding rail is fixed on the side face of the bearing base, the sliding block is connected with the annular sliding rail in a sliding mode, the first adjusting mechanism drives the sliding block to slide on the annular sliding rail in the rotating process, and rotating stability is guaranteed.
Further, still include the bearing, the side at the slider is fixed to the bearing, and the tip assembly of lead screw has guaranteed the rationality of design at the bearing inboard.
Furthermore, the third adjusting mechanism comprises an annular guide rail and a linear motor, the annular guide rail is fixed on the side face of the rotary table, the linear motor is assembled on the annular guide rail, the linear motor is hinged to the electric hydraulic push rod through a second hinge, the input end of the linear motor is electrically connected with the output end of the external controller, the linear motor rotates on the annular guide rail, and the linear motor drives the second adjusting mechanism and the first adjusting mechanism to rotate, so that the adjusting position of the second adjusting mechanism and the adjusting position of the first adjusting mechanism are positioned, and the use requirements are met conveniently.
Compared with the prior art, the beneficial effects of the utility model are that: this tower crane support frame with adjustable has following benefit:
1. the output shaft of the servo motor drives the screw rod to rotate, the screw rod is in threaded transmission with the transmission nut, and the transmission nut drives the head of the electric hydraulic push rod to be close to or far away from the central position of the bearing base, so that the supporting angle of the electric hydraulic push rod is adjusted, the adjusting capacity is high, and the bearing requirement of the rotary table is met conveniently.
2. The electric hydraulic push rod is adapted to the oblique distance between the transmission nut and the rotary table through the telescopic effect, and meanwhile, due to the existence of the electric hydraulic push rod, tension or supporting force exists between the rotary table and the bearing base, so that the connection strength of the rotary table and the bearing base is ensured, and the use safety is improved.
3. The annular support frame drives the supporting seat to rotate through the elastic damper, the supporting seat rotates relative to the counterweight base through the rotary bearing, the elastic damper is used for elastically supporting the supporting seat and the annular support frame, the connection strength of the elastic damper is high, and the rotary stability of the rotary table is guaranteed through the elastic support.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1, a counterweight base, 2 bearings, 3, a first adjusting mechanism, 31 screw rods, 32 transmission nuts, 33 servo motors, 4 second adjusting mechanisms, 41 hinges, 42 electric hydraulic push rods, 43 second hinges, 5 bearing bases, 6 slewing bearings, 7 third adjusting mechanisms, 71 annular guide rails, 72 linear motors, 8 sliding mechanisms, 81 annular slide rails, 82 sliding blocks, 9 supporting units, 91 elastic dampers, 92 slewing bearings, 93 supporting seats, 10 turntables and 11 annular supporting frames.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an adjustable tower crane support frame comprises a counterweight base 1, an annular support frame 11, a first adjusting mechanism 3 and a second adjusting mechanism 4;
counterweight base 1: the top of the balance weight base 1 is fixed with a bearing base 5, and the balance weight base 1 is rotatably connected with a rotary table 10 through the bearing base 5;
the annular support frame 11: the bottom is connected with the counterweight base 1 through a supporting unit 9;
first adjustment mechanism 3: the device comprises a screw rod 31, a transmission nut 32 and a servo motor 33, wherein the servo motor 33 is arranged on an annular supporting frame 11, the screw rod 31 is fixed on an output shaft of the servo motor 33, the transmission nut 32 is in threaded connection with the screw rod 31, and the end part of the screw rod 31 is connected with the side surface of a bearing base 5 through a sliding mechanism 8;
an output shaft of the servo motor 33 drives the screw rod 31 to rotate, the screw rod 31 is in threaded transmission with the transmission nut 32, and the transmission nut 32 drives the head of the electric hydraulic push rod 42 to be close to or far away from the central position of the bearing base 5, so that the supporting angle of the electric hydraulic push rod 42 is adjusted, the adjusting capacity is strong, and the bearing requirement of the rotary table 10 is met conveniently;
second adjustment mechanism 4: the device comprises a hinge 41, an electric hydraulic push rod 42 and a second hinge 43, wherein the head of the electric hydraulic push rod 42 is hinged with a transmission nut 32 through the hinge 41, the telescopic end part of the electric hydraulic push rod 42 is hinged with a third adjusting mechanism 7 through the second hinge 43, and the third adjusting mechanism 7 is installed on the side surface of the rotary table 10;
the electric hydraulic push rod 42 is adapted to the oblique distance between the transmission nut 32 and the rotary table 10 through the telescopic action, and meanwhile, due to the existence of the electric hydraulic push rod 42, a pulling force or a supporting force exists between the rotary table 10 and the bearing base 5, so that the connection strength is ensured, and the use safety is improved;
wherein, the input ends of the electric hydraulic push rod 42 and the servo motor 33 are electrically connected with the output end of an external controller.
Support unit 9 includes elastic damper 91, slewing bearing 92 and supporting seat 93, supporting seat 93 passes through slewing bearing 92 and is connected with counterweight base 1 rotation, elastic damper 91 fixes between supporting seat 93 and ring support frame 11, first adjustment mechanism 3 drives ring support frame 11 and rotates, ring support frame 11 drives supporting seat 93 through elastic damper 91 and rotates, supporting seat 93 takes place relative rotation through slewing bearing 92 and counterweight base 1, elastic damper 91 is used for carrying out elastic support to supporting seat 93 and ring support frame 11, its joint strength is high, revolving stage 10 pivoted stationarity has been guaranteed through elastic support.
The sliding mechanism 8 comprises an annular sliding rail 81 and a sliding block 82, the annular sliding rail 81 is fixed on the side surface of the bearing base 5, the sliding block 82 is connected with the annular sliding rail 81 in a sliding mode, and the first adjusting mechanism 3 drives the sliding block 82 to slide on the annular sliding rail 81 in the rotating process, so that the rotating stability is guaranteed.
Further, the novel screw rod mechanism further comprises a bearing 2, the bearing 2 is fixed on the side face of the sliding block 82, and the end portion of the screw rod 31 is assembled on the inner side of the bearing 2, so that the reasonability of design is guaranteed.
The third adjusting mechanism 7 comprises an annular guide rail 71 and a linear motor 72, the annular guide rail 71 is fixed on the side surface of the rotary table 10, the linear motor 72 is assembled on the annular guide rail 71, the linear motor 72 is hinged to the electric hydraulic push rod 42 through the second hinge 43, the input end of the linear motor 72 is electrically connected with the output end of the external controller, the linear motor 72 rotates on the annular guide rail 71, and the linear motor 72 drives the second adjusting mechanism 4 and the first adjusting mechanism 3 to rotate, so that the adjusting position of the adjusting mechanism is positioned, and the using requirement is convenient to meet.
When in use: an output shaft of the servo motor 33 drives the screw rod 31 to rotate, the screw rod 31 is in threaded transmission with the transmission nut 32, and the transmission nut 32 drives the head of the electric hydraulic push rod 42 to be close to or far away from the central position of the bearing base 5, so that the supporting angle of the electric hydraulic push rod 42 is adjusted;
the electric hydraulic push rod 42 is adapted to the oblique distance between the transmission nut 32 and the rotary table 10 through the telescopic action, and meanwhile, due to the existence of the electric hydraulic push rod 42, a pulling force or a supporting force exists between the rotary table 10 and the bearing base 5, so that the connection strength is ensured.
The linear motor 72 rotates on the annular guide rail 71, and the linear motor 72 drives the second adjusting mechanism 4 and the first adjusting mechanism 3 to rotate, so as to position the adjusting positions.
The first adjusting mechanism 3 drives the sliding block 82 to slide on the annular sliding rail 81 during the rotation process.
First adjustment mechanism 3 drives annular support frame 11 and rotates, and annular support frame 11 drives supporting seat 93 through elastic damper 91 and rotates, and supporting seat 93 takes place relative rotation through slewing bearing 92 and counter weight base 1, and elastic damper 91 is used for carrying out elastic support to supporting seat 93 and annular support frame 11.
It is worth noting that: the linear motor 72, the electric hydraulic push rod 42 and the servo motor 33 are all configured according to the actual application scene.
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 (5)
1. The utility model provides a tower crane support frame with adjustable which characterized in that: comprises a counterweight base (1), an annular supporting frame (11), a first adjusting mechanism (3) and a second adjusting mechanism (4);
counterweight base (1): a bearing base (5) is fixed at the top, and the counterweight base (1) is rotatably connected with a turntable (10) through the bearing base (5);
annular support frame (11): the bottom of the counterweight base is connected with the counterweight base (1) through a supporting unit (9);
first adjustment mechanism (3): the device comprises a screw rod (31), a transmission nut (32) and a servo motor (33), wherein the servo motor (33) is arranged on an annular supporting frame (11), the screw rod (31) is fixed on an output shaft of the servo motor (33), the transmission nut (32) is in threaded connection with the screw rod (31), and the end part of the screw rod (31) is connected with the side surface of a bearing base (5) through a sliding mechanism (8);
second adjustment mechanism (4): the hydraulic power transmission mechanism comprises a hinge (41), an electric hydraulic push rod (42) and a second hinge (43), wherein the head of the electric hydraulic push rod (42) is hinged with a transmission nut (32) through the hinge (41), the telescopic end part of the electric hydraulic push rod (42) is hinged with a third adjusting mechanism (7) through the second hinge (43), and the third adjusting mechanism (7) is installed on the side surface of a rotary table (10);
the input ends of the electric hydraulic push rod (42) and the servo motor (33) are electrically connected with the output end of an external controller.
2. An adjustable tower crane support according to claim 1, wherein: the supporting unit (9) comprises an elastic damper (91), a rotary bearing (92) and a supporting seat (93), the supporting seat (93) is rotatably connected with the counterweight base (1) through the rotary bearing (92), and the elastic damper (91) is fixed between the supporting seat (93) and the annular supporting frame (11).
3. An adjustable tower crane support according to claim 1, wherein: the sliding mechanism (8) comprises an annular sliding rail (81) and a sliding block (82), the annular sliding rail (81) is fixed on the side face of the bearing base (5), and the sliding block (82) is connected with the annular sliding rail (81) in a sliding mode.
4. An adjustable tower crane support according to claim 3, wherein: the screw rod mechanism is characterized by further comprising a bearing (2), wherein the bearing (2) is fixed on the side face of the sliding block (82), and the end portion of the screw rod (31) is assembled on the inner side of the bearing (2).
5. An adjustable tower crane support according to claim 1, wherein: the third adjusting mechanism (7) comprises an annular guide rail (71) and a linear motor (72), the annular guide rail (71) is fixed on the side face of the rotary table (10), the linear motor (72) is assembled on the annular guide rail (71), the linear motor (72) is hinged to the electric hydraulic push rod (42) through a second hinge (43), and the input end of the linear motor (72) is electrically connected with the output end of an external controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021490815.XU CN213326436U (en) | 2020-07-26 | 2020-07-26 | Adjustable tower crane support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021490815.XU CN213326436U (en) | 2020-07-26 | 2020-07-26 | Adjustable tower crane support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213326436U true CN213326436U (en) | 2021-06-01 |
Family
ID=76090593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021490815.XU Expired - Fee Related CN213326436U (en) | 2020-07-26 | 2020-07-26 | Adjustable tower crane support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213326436U (en) |
-
2020
- 2020-07-26 CN CN202021490815.XU patent/CN213326436U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210601 |