CN114455486A - Tensile counterweight balance tower crane - Google Patents
Tensile counterweight balance tower crane Download PDFInfo
- Publication number
- CN114455486A CN114455486A CN202210215528.5A CN202210215528A CN114455486A CN 114455486 A CN114455486 A CN 114455486A CN 202210215528 A CN202210215528 A CN 202210215528A CN 114455486 A CN114455486 A CN 114455486A
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- tower crane
- motor
- moving
- tower
- balance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a stretching counterweight balance tower crane, and relates to the technical field of tower cranes. This tensile counter weight balance tower crane, including brace table and tower body, the upper end left side of tower body is provided with the balance arm, the right-hand member middle part of balance arm is run through and is provided with the removal mouth, the upper end of removing the mouth is provided with the connecting plate, the connecting plate is provided with the balancing weight for the inside of removing the mouth, the upper end of brace table is run through and is provided with the shifting chute, the left end of brace table is run through and is provided with first motor, the one end that has motor shaft and motor shaft is extended to the one end of first motor is provided with the lead screw, the lead screw runs through and is provided with the movable block, the lower extreme of brace table is provided with the removal frame, the inside right-hand member of removal frame is provided with second electric putter, second electric putter's one end is provided with the carriage, the relative right-hand member in inside of carriage is provided with the rotation post. Through this tower crane, can effectively carry out the balance guarantee and use, improve the stability in use.
Description
Technical Field
The invention relates to the technical field of tower cranes, in particular to a stretching counterweight balance tower crane.
Background
The tower crane is the most common hoisting equipment in construction sites, also known as tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction. The tower crane is indispensable equipment on a construction site. The tower crane tip has the function of bearing the upper load transmitted by the boom pull rope and the balance arm pull rope, and directly transmits the upper load to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components. The self-elevating tower top is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined support frame type. The above slewing tower crane needs to be provided with a balance weight, and the function of the above slewing tower crane is to support the balance weight so as to form a balance moment which is required in design and has the action direction opposite to the lifting moment direction.
In the prior art, the moment of the tower crane is easy to unbalance in the using process and cannot be effectively used for counterweight adjustment, so that the counterweight arm is easy to bend, and potential safety hazards are caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a tension counterweight balance tower crane, which solves the problem that the tower crane cannot be effectively balanced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the tensile counterweight balance tower crane comprises a support table and a tower body, wherein a balance arm is arranged on the left side of the upper end of the tower body, a moving port is arranged in the middle of the right end of the balance arm in a penetrating mode, a connecting plate is arranged at the upper end of the moving port, a counterweight block is arranged in the connecting plate relative to the moving port, slots are formed in the front and back faces of the upper end of the connecting plate, and positioning frames are arranged on the periphery of the upper end of the balance arm and the periphery of the moving port;
the support table is arranged below the moving port, a moving groove is formed in the upper end of the support table in a penetrating mode, the counterweight block extends into the moving groove, a first motor is arranged at the left end of the support table in a penetrating mode, a motor shaft extends from one end of the first motor, a lead screw is arranged at one end of the motor shaft, the lead screw is arranged inside the moving groove, a moving block penetrates through the lead screw and is in threaded connection with the lead screw, a splicing plate is arranged at the upper end of the moving block, and the splicing plate is connected with the lower end of the counterweight block;
the lower extreme of brace table is provided with the removal frame, the inside right-hand member of removing the frame is provided with second electric putter, second electric putter's one end is provided with the carriage, the relative right-hand member in inside of carriage is provided with rotates the post, the preceding terminal surface lower extreme of carriage runs through and is provided with the second motor, the rear end of second motor extends the one end that has motor shaft and rotates post through connection, rotate post and motor shaft fixed connection, the upper end of rotating the post is provided with auxiliary structure, the left end of tower body is provided with the support concave frame.
Preferably, the right side of the upper end of the tower body is provided with a crane boom, the top of the upper end of the tower body is provided with a fixed station, and the two ends of the fixed station are respectively provided with a traction rope relative to the balance arm and the crane boom.
Preferably, the inboard of locating rack runs through and is provided with the adjustment tank, the upper end of locating rack and for the inside of adjustment tank be provided with first electric putter, first electric putter's lower extreme is provided with the elevator, the side of elevator is provided with the mounting panel, the lower extreme of mounting panel is provided with the inserted block.
Preferably, the right end in the moving groove is provided with a first bearing, and an inner sleeve of the first bearing is connected with one end of the screw rod.
Preferably, the rear end of the inside of the support frame is provided with a second bearing, and an inner sleeve of the second bearing is connected with a motor shaft of a second motor.
Preferably, the auxiliary structure comprises a telescopic groove, and the telescopic groove penetrates through the upper end of the rotating column.
Preferably, the lower end of the interior of the telescopic groove is provided with a third electric push rod, and the upper end of the third electric push rod is provided with an inserted link.
(III) advantageous effects
The invention provides a tension counterweight balance tower crane. The method has the following beneficial effects:
1. according to the tensile counterweight balance tower crane, the supporting position of the counterweight block at the balance arm is adjusted for use when the counterweight block is used according to the load bearing amount at the crane boom, the first motor at the supporting table drives the screw rod to rotate, so that the using position of the moving block is adjusted, the counterweight block at the splicing plate at the upper end of the moving block is subjected to position left and right fine adjustment, the balance degree of the balance arm is kept, and bending is avoided.
2. According to the tensile counterweight balance tower crane, after the position of the counterweight block is finely adjusted, the insertion block at the lower end of the mounting plate at the lifting block is driven to be inserted into the insertion groove at the upper end of the connecting plate through the first electric push rod at the positioning frame, so that the counterweight block is stably used.
3. According to the tension counterweight balance tower crane, when the balance arm is unevenly stressed, the second electric push rod at the position of the movable frame is used for adjusting the position of the supporting frame, so that the position of the stress point at the upper end of the supporting frame is adjusted, after the adjustment is completed, the second electric push rod at the position of the supporting frame drives the rotating column in the movable frame to rotate, the rotating column is adjusted to be at the same horizontal position with the supporting concave frame, the third electric push rod at the position of the auxiliary structure at the position of the rotating column drives the inserting rod to be inserted into the supporting concave frame, so that an L-shaped supporting point is formed, the integral stress supporting effect of the balance arm is improved, and the counterweight of the tower crane is balanced.
Drawings
FIG. 1 is a front view of a tension weight balancing tower crane of the present invention;
FIG. 2 is a schematic structural diagram of a positioning frame of the tension counterweight balance tower crane of the invention;
FIG. 3 is an external view of a support table of the tension weight balance tower crane of the present invention;
FIG. 4 is a plan view of a connecting plate of the tension counterweight balance tower crane of the present invention;
FIG. 5 is a schematic structural diagram of a support table of the tension counterweight balance tower crane of the present invention;
fig. 6 is a schematic structural diagram of a support frame of the tension counterweight balance tower crane of the invention.
Wherein, 1, supporting table; 2. moving the port; 3. a balancing weight; 4. a balance arm; 5. a fixed table; 6. a hauling rope; 7. a cargo boom; 8. supporting the concave frame; 9. a tower body; 10. a first electric push rod; 11. a lifting block; 12. an adjustment groove; 13. a positioning frame; 14. inserting a block; 15. mounting a plate; 16. moving the frame; 17. a moving groove; 18. a connecting plate; 19. a slot; 20. a first motor; 21. a lead screw; 22. a moving block; 23. a first bearing; 24. a second electric push rod; 25. a support frame; 26. a second motor; 27. rotating the column; 28. a second bearing; 29. an auxiliary structure; 291. a telescopic groove; 292. a third electric push rod; 293. and (4) inserting the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-6, an embodiment of the invention provides a tension counterweight balance tower crane, which includes a support table 1 and a tower body 9, a boom 7 is disposed on the right side of the upper end of the tower body 9, a balance arm 4 is disposed on the left side of the upper end of the tower body 9, a fixed table 5 is disposed on the top of the upper end of the tower body 9, a traction rope 6 is disposed at each of two ends of the fixed table 5 and respectively opposite to the balance arm 4 and the boom 7, a moving port 2 is disposed at the middle of the right end of the balance arm 4 in a penetrating manner, a connecting plate 18 is disposed at the upper end of the moving port 2, a counterweight 3 is disposed inside the connecting plate 18 and opposite to the moving port 2, slots 19 are disposed on the front and rear surfaces of the upper end of the connecting plate 18, a positioning frame 13 is disposed around the upper end of the balance arm 4 and opposite to the moving port 2, an adjusting groove 12 is disposed inside the positioning frame 13 in a penetrating manner, a first electric push rod 10 is disposed at the upper end of the positioning frame 13 and opposite to the inside the adjusting groove 12, the lower end of the first electric push rod 10 is provided with a lifting block 11, the side surface of the lifting block 11 is provided with a mounting plate 15, the lower end of the mounting plate 15 is provided with an inserting block 14, after the position of the balancing weight 3 is finely adjusted, the first electric push rod 10 at the positioning frame 13 can drive the inserting block 14 at the lower end of the mounting plate 15 at the lifting block 11 to be inserted into an inserting groove 19 at the upper end of a connecting plate 18, so that the position of the balancing weight 3 can be stably used;
the supporting table 1 is arranged below the moving port 2, a moving groove 17 is arranged at the upper end of the supporting table 1 in a penetrating manner, the counterweight block 3 extends into the moving groove 17, a first motor 20 is arranged at the left end of the supporting table 1 in a penetrating manner, a motor shaft is arranged at one end of the first motor 20 in a extending manner, a lead screw 21 is arranged at one end of the motor shaft, the lead screw 21 is arranged inside the moving groove 17, a moving block 22 is arranged at the lead screw 21 in a penetrating manner, the moving block 22 is in threaded connection with the lead screw 21, a first bearing 23 is arranged at the right end inside the moving groove 17, an inner sleeve of the first bearing 23 is connected with one end of the lead screw 21, a splicing plate is arranged at the upper end of the moving block 22 and is connected with the lower end of the counterweight block 3, the supporting position of the counterweight block 3 at the position 4 of the balance arm is adjusted according to the bearing amount at the crane boom 7, the lead screw 21 is driven to rotate by the first motor 20 at the supporting table 1, the using position of the moving block 22 is adjusted, so that the position of the balancing weight 3 at the splicing plate at the upper end of the moving block 22 is finely adjusted left and right, the balance degree of the balance arm 4 is kept, and the bending and the safety influence are avoided;
the lower end of the support table 1 is provided with a movable frame 16, the right end inside the movable frame 16 is provided with a second electric push rod 24, one end of the second electric push rod 24 is provided with a support frame 25, the opposite right end inside the support frame 25 is provided with a rotating column 27, the lower end of the front end surface of the support frame 25 is provided with a second motor 26 in a penetrating way, the rear end of the second motor 26 extends with a motor shaft, one end of the motor shaft is connected with the rotating column 27 in a penetrating way, the rotating column 27 is fixedly connected with the motor shaft, the rear end inside the support frame 25 is provided with a second bearing 28, the inner sleeve of the second bearing 28 is connected with the motor shaft at the second motor 26, the upper end of the rotating column 27 is provided with an auxiliary structure 29, the auxiliary structure 29 comprises a telescopic groove 291, the telescopic groove 291 penetrates through the upper end of the rotating column 27, the lower end inside the telescopic groove 291 is provided with a third electric push rod 292, the upper end of the third electric push rod 292 is provided with an insert rod 293, the left end of the tower body 9 is provided with a supporting concave frame 8, when the stress of the balance arm 4 is uneven, the position of the supporting frame 25 is adjusted by moving the second electric push rod 24 at the position of the frame 16, so as to adjust the position of the stress point at the upper end of the supporting frame 25, after the adjustment is completed, the second electric push rod 26 at the position of the supporting frame 25 drives the frame inner rotating column 27 to rotate, the rotating column 27 is adjusted to be at the same horizontal position with the supporting concave frame 8, and the third electric push rod 292 at the auxiliary structure 29 at the position of the rotating column 27 drives the inserting rod 293 to be inserted into the supporting concave frame 8, so as to form an L-shaped supporting point, thereby improving the integral stress supporting effect of the balance arm 4, and further balancing the counter weight of the tower crane.
The working principle is as follows: according to the bearing capacity of the crane boom 7, the supporting position of the balancing weight 3 at the balancing arm 4 is adjusted for use, the first motor 20 at the supporting table 1 drives the screw 21 to rotate, the using position of the moving block 22 is adjusted, the position of the balancing weight 3 at the splicing plate at the upper end of the moving block 22 is finely adjusted left and right, the balance degree of the balancing arm 4 is kept, bending is avoided, when the stress of the balancing arm 4 is not uniform, the second electric push rod 24 at the moving frame 16 is used for adjusting the position of the supporting frame 25, the position of the stress point at the upper end of the supporting frame 25 is adjusted, after the adjustment is completed, the second motor 26 at the supporting frame 25 drives the frame rotating column 27 to rotate, the rotating column 27 is adjusted to be at the same horizontal position with the supporting concave frame 8, and the third electric push rod 292 at the auxiliary structure 29 at the rotating column 27 drives the inserting rod 293 to be inserted into the supporting concave frame 8, form L type strong point, improve the whole atress of balance arm 4 and support the effect to come the counter weight of balanced tower crane to use.
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 (7)
1. Tensile counter weight balance tower crane, including brace table (1) and tower body (9), its characterized in that: a balance arm (4) is arranged on the left side of the upper end of the tower body (9), a moving port (2) penetrates through the middle of the right end of the balance arm (4), a connecting plate (18) is arranged at the upper end of the moving port (2), a balancing weight (3) is arranged in the connecting plate (18) relative to the moving port (2), slots (19) are formed in the front and back faces of the upper end of the connecting plate (18), and positioning frames (13) are arranged on the periphery of the upper end of the balance arm (4) and the periphery of the moving port (2);
the support table (1) is arranged below the moving port (2), a moving groove (17) is formed in the upper end of the support table (1) in a penetrating mode, the balancing weight (3) extends into the moving groove (17), a first motor (20) is arranged at the left end of the support table (1) in a penetrating mode, a motor shaft extends from one end of the first motor (20), a lead screw (21) is arranged at one end of the motor shaft, the lead screw (21) is arranged inside the moving groove (17), a moving block (22) is arranged in the lead screw (21) in a penetrating mode, the moving block (22) is in threaded connection with the lead screw (21), a splicing plate is arranged at the upper end of the moving block (22), and the splicing plate is connected with the lower end of the balancing weight (3);
the lower extreme of brace table (1) is provided with removes frame (16), the inside right-hand member that removes frame (16) is provided with second electric putter (24), the one end of second electric putter (24) is provided with carriage (25), the relative right-hand member in inside of carriage (25) is provided with rotates post (27), the preceding terminal surface lower extreme of carriage (25) runs through and is provided with second motor (26), the rear end of second motor (26) extends the one end that has motor shaft and rotates post (27) through connection, rotate post (27) and motor shaft fixed connection, the upper end of rotating post (27) is provided with auxiliary structure (29), the left end of tower body (9) is provided with support concave frame (8).
2. The tension-weight balancing tower crane according to claim 1, wherein: the tower is characterized in that a crane boom (7) is arranged on the right side of the upper end of the tower body (9), a fixed table (5) is arranged at the top of the upper end of the tower body (9), and traction ropes (6) are arranged at two ends of the fixed table (5) and are respectively arranged relative to the balance arm (4) and the crane boom (7).
3. The tension-weight balancing tower crane according to claim 1, wherein: the inboard of locating rack (13) is run through and is provided with adjustment tank (12), the upper end of locating rack (13) and for the inside of adjustment tank (12) be provided with first electric putter (10), the lower extreme of first electric putter (10) is provided with elevator (11), the side of elevator (11) is provided with mounting panel (15), the lower extreme of mounting panel (15) is provided with inserted block (14).
4. The tension-weight balancing tower crane according to claim 1, wherein: the right end in the moving groove (17) is provided with a first bearing (23), and an inner sleeve of the first bearing (23) is connected with one end of the screw rod (21).
5. The tension-weight balancing tower crane according to claim 1, wherein: and a second bearing (28) is arranged at the rear end of the inside of the supporting frame (25), and an inner sleeve of the second bearing (28) is connected with a motor shaft at the position of a second motor (26).
6. The tension-weight balancing tower crane according to claim 1, wherein: the auxiliary structure (29) comprises a telescopic groove (291), and the telescopic groove (291) penetrates through the upper end of the rotating column (27).
7. The tension-weight balancing tower crane according to claim 6, wherein: the inside lower extreme of flexible groove (291) is provided with third electric putter (292), the upper end of third electric putter (292) is provided with inserted bar (293).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215528.5A CN114455486A (en) | 2022-03-07 | 2022-03-07 | Tensile counterweight balance tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215528.5A CN114455486A (en) | 2022-03-07 | 2022-03-07 | Tensile counterweight balance tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114455486A true CN114455486A (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210215528.5A Pending CN114455486A (en) | 2022-03-07 | 2022-03-07 | Tensile counterweight balance tower crane |
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| Country | Link |
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| CN (1) | CN114455486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200317485A1 (en) * | 2019-04-05 | 2020-10-08 | The Raymond Corporation | Systems and Methods for Positioning a Counterweight on a Material Handling Vehicle |
-
2022
- 2022-03-07 CN CN202210215528.5A patent/CN114455486A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200317485A1 (en) * | 2019-04-05 | 2020-10-08 | The Raymond Corporation | Systems and Methods for Positioning a Counterweight on a Material Handling Vehicle |
| US11820635B2 (en) * | 2019-04-05 | 2023-11-21 | The Raymond Corporation | Systems and methods for positioning a counterweight on a material handling vehicle |
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