CN217921183U - Additional counterweight capable of increasing crane stability - Google Patents
Additional counterweight capable of increasing crane stability Download PDFInfo
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- CN217921183U CN217921183U CN202221294795.8U CN202221294795U CN217921183U CN 217921183 U CN217921183 U CN 217921183U CN 202221294795 U CN202221294795 U CN 202221294795U CN 217921183 U CN217921183 U CN 217921183U
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- counter weight
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Abstract
The utility model relates to the technical field of machinery, and additional counter weight of multiplicable hoist stability is disclosed, include the additional counter weight switching frame of mode installation through the welding hinge ear of the revolving stage afterbody of getting on the tractor on crawler crane, the one end of additional counter weight switching frame articulates there are counter weight lifting cylinder and counter weight lifting oil pipe, the counter weight lifting oil pipe's lower extreme is installed and is installed the additional counter weight arm-tie, the lower extreme of additional counter weight arm-tie articulates there is the counter weight tray, the counter weight tray sets up the top on ground, be provided with clamping device on the counter weight tray, control rising and falling of counter weight through the mode of counter weight lifting cylinder, at the hoist gyration, control counter weight lifting cylinder shrink when walking, when the hoist carries out the overlength arm lift, unsettled the counter weight tray, increase stability, after the lift arm is accomplished, whether the condition decides to fall to the ground the counter weight tray, such equipment connects the step less than the overlift arm, it is comparatively convenient, and it is less to get up to the requirement of construction place than surpassing.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be the additional counter weight of multiplicable hoist stability.
Background
The super-long arm lifting arm of the crawler crane is easy to lift or overturn, the whole stability of the crane is determined, the weight of a counterweight is increased by the only method for lifting the stability of the crane, the problem is generally solved by a super-lifting mode, but the crane needs to be hoisted when the crane is connected with the crane, a steel wire rope is troublesome when the crane is assembled, and an additional counterweight capable of increasing the stability of the crane is provided for the crane.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an additional counter weight of multiplicable hoist stability has solved foretell problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the additional counterweight of multiplicable hoist stability includes the additional counter weight switching frame of mode installation through the revolving stage afterbody welding hinge ear on the crawler crane, the one end of additional counter weight switching frame articulates there are counterweight lifting cylinder and counterweight lifting oil pipe, the lower extreme that the counterweight promoted oil pipe is installed and is installed the additional counter weight arm-tie, the lower extreme that the additional counter weight arm-tie articulates there is the counter weight tray, the counter weight tray sets up the top on ground, be provided with clamping device on the counter weight tray, come additional counter weight switching frame through the mode of the revolving stage afterbody welding hinge ear on the crawler crane, control the rising and falling of counter weight through the mode of counterweight lifting cylinder, at the hoist gyration, control counterweight lifting cylinder shrink when walking, when the hoist carries out super long arm lift arm, with the counter weight tray unsettled, increase stability, after the lift arm is accomplished, whether the condition decides to fall to the ground the counter weight tray, such equipment connects super lift arm step less, it is comparatively convenient, and to the requirement in construction place more surpass to say lessly less.
Preferably, clamping device includes connecting block, two grip blocks and gear motor, the rectangular channel has been seted up to the one end that the connecting block corresponds the grip block, the inside of rectangular channel is provided with the lead screw, the lead screw is in the same place with gear motor's output shaft fixed connection, and the grip block extends to the inside one end fixed mounting of rectangular channel has the screw thread ring, the screw thread ring is in the same place with lead screw threaded connection.
Preferably, the both ends screw thread direction of lead screw is opposite, and gear motor starts, and the drive lead screw is rotatory, and when the lead screw was rotatory, because the opposite screw at its both ends, can drive two grip blocks and remove to the place of mutual difference, accomplish the motion that opens and shuts, such setting can clip the balancing weight that is located on the counter weight tray, leads to the balancing weight to drop owing to rocking when preventing that the counter weight tray from rising.
Preferably, clamping device includes connecting block, two grip blocks and gear motor, and one of them grip block fixed mounting is on the surface of counter weight tray, the rectangular channel has been seted up to the one end that the connecting block corresponds the grip block, the inside of rectangular channel is provided with the lead screw, the lead screw is in the same place with gear motor's output shaft fixed connection, and the one end fixed mounting that another grip block extends to the inside of rectangular channel has the screw ring, the screw ring is in the same place with lead screw threaded connection, starts through gear motor, and it is rotatory to drive the lead screw, and drive screw ring removes, drives the grip block and removes for interval between two grip blocks diminishes, and such setting can carry the balancing weight that is located on the counter weight tray, leads to the balancing weight to drop owing to rocking when preventing that the counter weight tray from rising.
Preferably, a fitting block is fixedly mounted on one side wall surface of each of the two clamping blocks, which is close to each other.
Preferably, the laminating piece is bar rubber material or square iron, and the laminating piece be bar rubber material can increase and the balancing weight between frictional force, and the laminating piece is square iron, and its height can change according to the demand, can grasp the balancing weight of high difference like this, accords with the demand under the different situation.
(III) advantageous effects
Compared with the prior art, the utility model provides an additional counter weight of multiplicable hoist stability possesses following beneficial effect:
1. this additional counter weight of multiplicable hoist stability, the rising and falling of counter weight is controlled through the mode of counter weight lift cylinder, gyration at the hoist, control counter weight lift cylinder shrink when the walking, when the hoist carries out the overlength arm jib, unsettled with the counter weight tray, increase stability, accomplish the back at the jib, whether the optional situation decides to fall to the ground with the counter weight tray, such equipment connects the step less than that exceeds the jib, and is comparatively convenient, and it is less to the requirement of construction site more surpass.
2. This additional counter weight of multiplicable hoist stability through having set up two grip blocks that can press from both sides and get fixed balancing weight, can clip the balancing weight that is located on the counter weight tray, prevents that the balancing weight from droing owing to rocking when the counter weight tray rises.
3. This additional counter weight of multiplicable hoist stability, the laminating piece be the bar rubber material can increase and the balancing weight between frictional force, the laminating piece be square iron, its height can change according to the demand, can grasp the balancing weight of high difference like this, accord with the demand under the different situation.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the structural weight-balancing tray of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1. the tail part of the upper turning table of the crawler crane is provided; 2. a ground surface; 3. adding a balance weight adapter rack; 4. a counterweight lifting cylinder; 5. the counterweight lifts the oil pipe; 6. adding a counterweight pulling plate; 7. a counterweight tray; 8. connecting blocks; 9. a screw rod; 10. a clamping block; 11. fitting blocks; 12. a rectangular groove; 13. a threaded ring; 14. a speed reducing motor.
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 efforts all belong to the protection scope of the present invention.
Please refer to fig. 1-3, an additional counterweight capable of increasing stability of a crane includes an additional counterweight switching frame 3 installed by welding hinge lugs on a tail portion of a loading turntable tail portion 1 of a crawler crane, one end of the additional counterweight switching frame 3 is hinged with a counterweight lifting oil cylinder 4 and a counterweight lifting oil pipe 5, a lower end of the counterweight lifting oil pipe 5 is installed with an additional counterweight pulling plate 6, a lower end of the additional counterweight pulling plate 6 is hinged with a counterweight tray 7, the counterweight tray 7 is arranged above a ground 2, a clamping device is arranged on the counterweight tray 7, the additional counterweight switching frame 3 is attached by welding hinge lugs on the loading turntable tail portion 1 of the crawler crane, lifting of the counterweight is controlled by the counterweight lifting oil cylinder 4, the counterweight lifting oil cylinder 4 is controlled to contract when the crane rotates, the counterweight lifting oil cylinder 4 is controlled to move, the counterweight tray 7 is suspended when the crane performs lifting of an overlong arm, stability is increased, and after the lifting arm is completed, whether the counterweight tray 7 needs to be lifted according to circumstances, such assembly has fewer steps than the overlong lifting arm, is more convenient, and has smaller requirements on a construction site to land.
Further, clamping device includes connecting block 8, two grip blocks 10 and gear motor 14, and rectangular channel 12 has been seted up to the one end that connecting block 8 corresponds grip block 10, and the inside of rectangular channel 12 is provided with lead screw 9, and lead screw 9 is in the same place with gear motor 14's output shaft fixed connection, and grip block 10 extends to the inside one end fixed mounting in rectangular channel 12 has threaded ring 13, and threaded ring 13 is in the same place with lead screw 9 threaded connection.
Further, the both ends screw thread direction of lead screw 9 is opposite, and gear motor 14 starts, and drive lead screw 9 is rotatory, and when lead screw 9 was rotatory, because the opposite screw at its both ends, can drive two grip blocks 10 and remove to the place of difference each other, accomplish the motion that opens and shuts, such setting can clip the balancing weight that is located on counterweight tray 7, leads to the balancing weight to drop owing to rocking when preventing counterweight tray 7 from rising.
Further, clamping device includes connecting block 8, two grip blocks 10 and gear motor 14, one of them grip block 10 fixed mounting is on the surface of counter weight tray 7, rectangular channel 12 has been seted up to the one end that connecting block 8 corresponds grip block 10, the inside of rectangular channel 12 is provided with lead screw 9, lead screw 9 is in the same place with gear motor 14's output shaft fixed connection, the one end fixed mounting that another grip block 10 extends to rectangular channel 12 inside has threaded ring 13, threaded ring 13 is in the same place with lead screw 9 threaded connection, start through gear motor 14, it is rotatory to drive lead screw 9, drive threaded ring 13 removes, drive grip block 10 and remove, make the interval between two grip blocks 10 diminish, such setting can clip the balancing weight that is located on counter weight tray 7, because rock when preventing counter weight tray 7 from rising, lead to the balancing weight to drop.
Furthermore, an attaching block 11 is fixedly mounted on a side wall surface of the two clamping blocks 10 close to each other.
Further, laminating piece 11 is bar rubber material or square iron, laminating piece 11 for bar rubber material can increase and the balancing weight between frictional force, laminating piece 11 be square iron, its height can change according to the demand, can grasp the balancing weight of high difference like this, accord with the demand under the different situation.
When the crane is used, the counterweight transfer frame 3 is attached in a mode of welding hinge lugs on the tail part 1 of the upper turning table of the crawler crane, the lifting of a counterweight is controlled in a mode of lifting the oil cylinder 4 by the counterweight, the counterweight lifting oil cylinder 4 is controlled to shrink when the crane runs, when the crane lifts an overlong arm, the counterweight tray 7 is suspended, the stability is improved, after the lifting arm is completed, whether the counterweight tray 7 needs to be landed is determined according to the situation, the assembling step is fewer when the overlong arm is connected, the crane is convenient to use, and the requirement on a construction site is lower.
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. Additional counter weight of multiplicable hoist stability includes additional counter weight adapter rack (3) through the mode installation of on-vehicle revolving stage afterbody (1) afterbody welding hinge ear on crawler crane, its characterized in that: the utility model discloses a counter weight transfer rack, including counter weight transfer frame (3), counter weight lifting cylinder (4) and counter weight lifting oil pipe (5) are articulated to the one end of additional counter weight transfer frame (3), the lower extreme of counter weight lifting oil pipe (5) is installed and is installed additional counter weight arm-tie (6), the lower extreme of additional counter weight arm-tie (6) articulates there is counter weight tray (7), counter weight tray (7) set up the top on ground (2), be provided with clamping device on counter weight tray (7).
2. The additional counterweight capable of increasing the stability of a crane according to claim 1, wherein: clamping device includes connecting block (8), two grip blocks (10) and gear motor (14), rectangular channel (12) have been seted up to the one end that connecting block (8) correspond grip block (10), the inside of rectangular channel (12) is provided with lead screw (9), lead screw (9) are in the same place with gear motor (14)'s output shaft fixed connection, and grip block (10) extend to the inside one end fixed mounting in rectangular channel (12) have screw ring (13), screw ring (13) are in the same place with lead screw (9) threaded connection.
3. The additional counterweight of claim 2 for increasing crane stability, wherein: the thread directions of the two ends of the screw rod (9) are opposite.
4. The additional counterweight capable of increasing the stability of a crane according to claim 1, wherein: clamping device includes connecting block (8), two grip blocks (10) and gear motor (14), and one of them grip block (10) fixed mounting has been seted up on the surface of counter weight tray (7), rectangular channel (12) have been seted up to connecting block (8) one end that corresponds grip block (10), the inside of rectangular channel (12) is provided with lead screw (9), lead screw (9) are in the same place with gear motor's (14) output shaft fixed connection, and another one grip block (10) extend to the inside one end fixed mounting in rectangular channel (12) have threaded ring (13), threaded ring (13) are in the same place with lead screw (9) threaded connection.
5. An additional counterweight according to any one of claims 2 or 4 for increasing the stability of a crane, characterized in that: and an attaching block (11) is fixedly arranged on one side wall surface of each of the two clamping blocks (10) which are close to each other.
6. The additional counterweight capable of increasing crane stability of claim 5, wherein: the fitting block (11) is made of strip rubber materials or square iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221294795.8U CN217921183U (en) | 2022-05-24 | 2022-05-24 | Additional counterweight capable of increasing crane stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221294795.8U CN217921183U (en) | 2022-05-24 | 2022-05-24 | Additional counterweight capable of increasing crane stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217921183U true CN217921183U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221294795.8U Active CN217921183U (en) | 2022-05-24 | 2022-05-24 | Additional counterweight capable of increasing crane stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217921183U (en) |
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2022
- 2022-05-24 CN CN202221294795.8U patent/CN217921183U/en active Active
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