CN213085292U - Novel balance arm for tower crane - Google Patents
Novel balance arm for tower crane Download PDFInfo
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- CN213085292U CN213085292U CN202021554647.6U CN202021554647U CN213085292U CN 213085292 U CN213085292 U CN 213085292U CN 202021554647 U CN202021554647 U CN 202021554647U CN 213085292 U CN213085292 U CN 213085292U
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- balance arm
- balancing weight
- groove
- threaded rod
- tower
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Abstract
The utility model discloses a tower crane is with novel balance arm relates to tower crane technical field. Including body of the tower, balancing weight and guardrail, the fixed surface of body of the tower installs the balance arm body, the surface of balance arm body is provided with the balancing weight, the surface of balance arm body is provided with two guardrails and baffle, operation groove and standing groove have been seted up on the surface of balance arm body, the activity of notch department in operation groove is provided with the groove door, the inside activity in operation groove is provided with the operation piece. Utilize the side of the fixed centre gripping balancing weight of centre gripping spring through setting up the grip block, rotate the lead screw again for the lead screw drives the nut seat and is axial motion along the lead screw, makes the nut seat drive the support frame and removes, makes the support frame support the bottom of balancing weight, has avoided the circumstances that the balancing weight accident dropped to appear, has reached the effect of being convenient for stably place the balancing weight, has avoided the tower body to appear the circumstances that both sides lost balance because of the balancing weight.
Description
Technical Field
The utility model relates to a tower crane technical field specifically is a novel balance arm is used to tower crane.
Background
A tower crane, namely a tower crane, which is called a tower crane for short and is also called a hoisting device, is a hoisting device used in building construction, and belongs to the following classification of industries: machinery- > engineering machinery- > hoisting machinery- > construction hoisting machinery- > tower crane, the main component parts are foundation, body of the tower, jacking, gyration, rise, balance arm, jib loading boom, crane trolley, top of the tower, driver's cab, become width of cloth etc. part.
Among the prior art, the balancing weight all need be placed on the surface of general balance arm to keep the body of the tower in the balance of during operation both sides, so the safety and stability of balancing weight place vital importance, otherwise the balancing weight drops if unexpected, not only can lead to the unbalance of body of the tower both sides, still can lead to the balancing weight to fall from aloft and influence staff's safety, the mode that general balance arm surface guardrail is connected simultaneously all is by threaded bolt connection, but the condition that unexpected drop appears in bolt when dismantlement easily can lead to the guardrail to such connected mode, for solving above-mentioned problem, the utility model provides a novel balance arm is used to tower crane.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tower crane is with novel balance arm possesses the advantage of being convenient for stably place the balancing weight and being convenient for connect the guardrail to solve the balancing weight and place the problem that shakiness and bolt appear unexpected drop easily.
For the purpose of realizing being convenient for stably place the balancing weight and being convenient for connect the guardrail, the utility model provides a following technical scheme: a novel balance arm for a tower crane comprises a tower body, a balancing weight and guardrails, wherein a balance arm body is fixedly arranged on the surface of the tower body, the balancing weight is arranged on the surface of the balance arm body, and the two guardrails and baffle plates are arranged on the surface of the balance arm body;
an operation groove and a placing groove are formed in the surface of the balance arm body, a groove door is movably arranged at the notch of the operation groove, an operation block is movably arranged in the operation groove, a first threaded rod and a second threaded rod are fixedly arranged at two ends of the operation block respectively, and connecting plates are movably arranged at opposite ends of the first threaded rod and the second threaded rod;
the utility model discloses a balance arm, including balance arm body, bearing, stand, bearing, balancing arm body, the bottom fixed mounting of balancing arm body has the motor, the output shaft fixedly connected with lead screw of motor, the surperficial swing joint of lead screw has the nut seat, the bottom fixedly connected with of nut seat is located the support frame of balancing weight bottom, the inside fixed mounting of standing groove has the centre gripping spring, the equal fixedly connected with grip block of one end that the centre gripping.
As an optimal technical scheme of the utility model, the fixed surface of balance arm body installs two and connects the rope, the one end of connecting the rope all with the top fixed connection of body of the tower.
As a preferred technical scheme of the utility model, the bottom of groove door is the pinion rack form, the surface of operation piece is the insection form, match the contact each other between groove door and the operation piece.
As a preferred technical scheme of the utility model, the spread groove has been seted up respectively to the both sides in operation groove, the fixed slot has all been seted up to the bottom of guardrail, the screw thread on first threaded rod and second threaded rod surface sets up for opposite, first threaded rod and second threaded rod match each other with the connecting plate respectively, the connecting plate is located the inside of the spread groove that corresponds respectively and extends to the inside of fixed slot.
As an optimal technical scheme of the utility model, the spout has been seted up to the bottom of balance arm body, the fixed surface of support frame installs the slider, the one end of slider slides in the inside of spout.
As a preferred technical scheme of the utility model, both ends respectively and the standing groove between the friction slip about the balancing weight, both sides respectively with contradict each other between the grip block around the balancing weight.
Compared with the prior art, the utility model provides a tower crane is with novel balance arm possesses following beneficial effect:
1. this novel balance arm is used to tower crane utilizes the side of the fixed centre gripping balancing weight of clamping spring through setting up the grip block, rotates the lead screw again for the lead screw drives the nut seat and is axial motion along the lead screw, makes the nut seat drive the support frame and removes, makes the bottom of support frame support balancing weight, has avoided the balancing weight the condition that unexpected dropped to appear, has reached the effect of being convenient for stably place the balancing weight, has avoided the body of the tower to appear the condition that both sides lose balance because of the balancing weight.
2. This novel balance arm is used to tower crane rotates through setting up the operation piece for the operation piece drives two threaded rods simultaneously and removes, makes two threaded rods drive the connecting plate respectively through self surperficial opposite direction's screw and carries out back of the body motion, makes two connecting plates run through the bottom of guardrail respectively, makes the guardrail can be stable fix on the surface of balance arm body, reaches the effect of being convenient for connect the guardrail, has avoided the guardrail bolted connection's the condition to appear.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the structural balance arm body of the present invention;
FIG. 3 is a sectional view of the structural balance arm body of the present invention;
FIG. 4 is a top view of the structural weight of the present invention;
FIG. 5 is a schematic view of the guardrail of the present invention;
fig. 6 is a schematic view of the structure clamping block of the present invention.
In the figure: 1. a tower body; 2. a balance arm body; 3. a balancing weight; 4. connecting ropes; 5. a guardrail; 6. a baffle plate; 7. an operation slot; 8. a slot door; 9. an operation block; 10. a first threaded rod; 11. a second threaded rod; 12. connecting grooves; 13. a connecting plate; 14. a motor; 15. fixing grooves; 16. a support frame; 17. a screw rod; 18. a nut seat; 19. a chute; 20. a slider; 21. a placement groove; 22. a clamping spring; 23. and (4) clamping the block.
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. 1-6, the utility model discloses a tower crane is with novel balance arm, including body of the tower 1, balancing weight 3 and guardrail 5, the fixed surface of body of the tower 1 installs balance arm body 2, the surface of balance arm body 2 is provided with balancing weight 3, the surface of balance arm body 2 is provided with two guardrails 5 and baffle 6.
The surface of the balance arm body 2 is provided with an operation groove 7 and a placing groove 21, a groove door 8 is movably arranged at the notch of the operation groove 7, an operation block 9 is movably arranged in the operation groove 7, a first threaded rod 10 and a second threaded rod 11 are respectively and fixedly arranged at two ends of the operation block 9, the back ends of the first threaded rod 10 and the second threaded rod 11 are respectively and movably provided with a connecting plate 13, the operation block 9 is arranged to rotate, so that the operation block 9 drives the two threaded rods to move simultaneously, so that the two threaded rods respectively drive the connecting plates 13 to move back and forth through the threads with opposite directions on the surfaces of the threaded rods, make two connecting plates 13 run through the bottom of guardrail 5 respectively for guardrail 5 can be stable fix on the surface of balance arm body 2, reach the effect of being convenient for connect guardrail 5, avoided guardrail 5 bolted connection's the condition to appear.
The bottom of the balance arm body 2 is fixedly provided with a motor 14, the model of the motor 14 is YE2-100, an output shaft of the motor 14 is fixedly connected with a screw rod 17, the surface of the screw rod 17 is movably connected with a nut seat 18, the bottom of the nut seat 18 is fixedly connected with a support frame 16 positioned at the bottom of the balancing weight 3, a clamping spring 22 is fixedly arranged inside the placing groove 21, one end of the clamping spring 22 close to the balancing weight 3 is fixedly connected with a clamping block 23, the clamping block 23 is arranged to fixedly clamp the side surface of the balancing weight 3 by utilizing the clamping spring 22, then the screw rod 17 is rotated, the screw rod 17 drives the nut seat 18 to axially move along the screw rod 17, the nut seat 18 drives the support frame 16 to move, the support frame 16 supports the bottom of the balancing weight 3, the situation that the balancing weight 3 accidentally drops is avoided, and the effect of facilitating, the condition that the two sides of the tower body 1 lose balance due to the balancing weight 3 is avoided.
Specifically, the fixed surface of balance arm body 2 installs two and connects rope 4, the one end of connecting rope 4 all with the top fixed connection of body of tower 1, utilize the one end of connecting rope 4 all with the top fixed connection of body of tower 1 for balance arm body 2 has reached the effect of stable connection through connecting the stability that rope 4 increases between 1 with the body of tower.
Specifically, the bottom of slot door 8 is the fluted disc form, the surface of operation piece 9 is the insection form, match the contact each other between slot door 8 and the operation piece 9, utilize and match the contact each other between slot door 8 and the operation piece 9 for slot door 8 can be through the fixed position of restriction operation piece 9 of the shape of self bottom, has avoided operation piece 9 to appear the pivoted condition when slot door 8 closes operation groove 7.
Specifically, the two sides of the operating slot 7 are respectively provided with a connecting slot 12, the bottom of the guardrail 5 is provided with a fixing slot 15, the threads on the surfaces of the first threaded rod 10 and the second threaded rod 11 are oppositely arranged, the first threaded rod 10 and the second threaded rod 11 are respectively matched with the connecting plate 13, the connecting plate 13 is respectively located inside the corresponding connecting slot 12 and extends to the inside of the fixing slot 15, the threads on the surfaces of the first threaded rod 10 and the second threaded rod 11 are oppositely arranged, and the first threaded rod 10 and the second threaded rod 11 are respectively matched with the connecting plate 13, so that the first threaded rod 10 and the second threaded rod 11 can respectively drive the connecting plate 13 to move back to back or relatively, the connecting plate 13 is respectively located inside the corresponding connecting slot 12 and extends to the inside of the fixing slot 15, so that the connecting slot 12 can prevent the connecting plate 13 from rotating and fix the position of the guardrail 5, the fixing effect is achieved.
Specifically, the bottom of the balance arm body 2 is provided with a sliding groove 19, a sliding block 20 is fixedly mounted on the surface of the support frame 16, one end of the sliding block 20 slides in the sliding groove 19, and one end of the sliding block 20 slides in the sliding groove 19, so that the sliding groove 19 can provide supporting force for the support frame 16 through the sliding block 20, the situation that the force borne by the support frame 16 is completely transmitted to the screw rod 17 is avoided, and the supporting effect is achieved.
Specifically, both ends respectively and the standing groove 21 between the friction slip about the balancing weight 3, both sides respectively and the grip block 23 between contradict each other around the balancing weight 3, utilize balancing weight 3 about both ends respectively with the standing groove 21 between the friction slip for standing groove 21 can provide the resistance for balancing weight 3 through the friction, recycle balancing weight 3 around both sides respectively with the grip block 23 between contradict each other, make the grip block 23 can be through the elastic stability centre gripping balancing weight 3 of clamping spring 22, reached the effect of fixed balancing weight 3.
The utility model discloses a theory of operation and use flow: when the balancing weight is used, the balancing weight 3 is placed on the surface of the balancing arm body 2, the left side and the right side of the balancing weight 3 can slide along the surface of the placing groove 21 in a friction mode, the front side and the rear side of the balancing weight 3 can be fixedly clamped through the clamping blocks 23 by the aid of the clamping springs 22, the balancing weight 3 is placed in a preliminary stable mode, then the motor 14 is started, the motor 14 drives the screw rod 17 to rotate, the screw rod 17 drives the nut seat 18 to move axially along the screw rod 17, the nut seat 18 drives the support frame 16 to move, the support frame 16 supports the bottom of the balancing weight 3, and the situation that the balancing weight 3 accidentally drops is avoided; when installing guardrail 5, insert two guardrails 5 respectively in the surface of balance arm body 2, later open slot door 8, make the staff can rotate operation piece 9, make operation piece 9 drive first threaded rod 10 and second threaded rod 11 simultaneously and remove, so make first threaded rod 10 and second threaded rod 11 drive connecting plate 13 respectively through self surperficial opposite direction's screw and carry out back of the body motion, make two connecting plates 13 run through the bottom of guardrail 5 respectively, make guardrail 5 can be stable fix on the surface of balance arm body 2.
To sum up, the novel balance arm for the tower crane utilizes the clamping spring 22 to fix and clamp the side surface of the balancing weight 3 by arranging the clamping block 23, and then rotates the screw rod 17, so that the screw rod 17 drives the nut seat 18 to do axial motion along the screw rod 17, and the nut seat 18 drives the support frame 16 to move, so that the support frame 16 supports the bottom of the balancing weight 3, the situation that the balancing weight 3 accidentally drops is avoided, the effect of conveniently and stably placing the balancing weight 3 is achieved, and the situation that the two sides of the tower body 1 lose balance due to the balancing weight 3 is avoided; rotate through setting up operation piece 9 for operation piece 9 drives two threaded rods simultaneously and removes, makes two threaded rods drive connecting plate 13 respectively through self surperficial opposite direction's screw and carries out back-to-back motion, makes two connecting plates 13 run through the bottom of guardrail 5 respectively, makes the guardrail 5 can be stable fix on the surface of balance arm body 2, reaches the effect of being convenient for connect guardrail 5, has avoided guardrail 5 bolted connection's the condition to appear.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (6)
1. The utility model provides a tower crane is with novel balance arm, includes body of the tower (1), balancing weight (3) and guardrail (5), its characterized in that: a balance arm body (2) is fixedly mounted on the surface of the tower body (1), a balancing weight (3) is arranged on the surface of the balance arm body (2), and two guardrails (5) and baffles (6) are arranged on the surface of the balance arm body (2);
an operation groove (7) and a placing groove (21) are formed in the surface of the balance arm body (2), a groove door (8) is movably arranged at the notch of the operation groove (7), an operation block (9) is movably arranged in the operation groove (7), a first threaded rod (10) and a second threaded rod (11) are fixedly arranged at two ends of the operation block (9) respectively, and connecting plates (13) are movably arranged at opposite ends of the first threaded rod (10) and the second threaded rod (11);
the utility model discloses a balance arm, including balance arm body (2), the bottom fixed mounting of balance arm body (2) has motor (14), the output shaft fixedly connected with lead screw (17) of motor (14), the surperficial swing joint of lead screw (17) has nut seat (18), the bottom fixedly connected with of nut seat (18) is located support frame (16) of balancing weight (3) bottom, the inside fixed mounting of standing groove (21) has clamping spring (22), the equal fixedly connected with grip block (23) of one end that clamping spring (22) are close to balancing weight (3).
2. The novel balance arm for the tower crane according to claim 1, wherein: the surface fixed mounting of balance arm body (2) has two to connect rope (4), the one end of connecting rope (4) all with the top fixed connection of body of the tower (1).
3. The novel balance arm for the tower crane according to claim 1, wherein: the bottom of slot door (8) is the pinion rack form, the surface of operation piece (9) is the insection form, match the contact each other between slot door (8) and operation piece (9).
4. The novel balance arm for the tower crane according to claim 1, wherein: spread groove (12) have been seted up respectively to the both sides in operation groove (7), fixed slot (15) have all been seted up to the bottom of guardrail (5), the screw thread on first threaded rod (10) and second threaded rod (11) surface sets up for opposite, first threaded rod (10) and second threaded rod (11) match each other with connecting plate (13) respectively, connecting plate (13) are located the inside of corresponding spread groove (12) respectively and extend to the inside of fixed slot (15).
5. The novel balance arm for the tower crane according to claim 1, wherein: the bottom of balance arm body (2) has seted up spout (19), the fixed surface of support frame (16) installs slider (20), the inside slip of one end at spout (19) of slider (20).
6. The novel balance arm for the tower crane according to claim 1, wherein: the left end and the right end of the balancing weight (3) respectively slide with the placing groove (21) in a friction mode, and the front side and the rear side of the balancing weight (3) respectively abut against the clamping blocks (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021554647.6U CN213085292U (en) | 2020-07-30 | 2020-07-30 | Novel balance arm for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021554647.6U CN213085292U (en) | 2020-07-30 | 2020-07-30 | Novel balance arm for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213085292U true CN213085292U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021554647.6U Active CN213085292U (en) | 2020-07-30 | 2020-07-30 | Novel balance arm for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213085292U (en) |
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2020
- 2020-07-30 CN CN202021554647.6U patent/CN213085292U/en active Active
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