Device for adjusting height of tower crane supporting leg in narrow space

Abstract

The utility model discloses a device for adjusting the height of a tower crane support leg in a narrow space, which comprises an equipment shell, a holding rod is fixedly mounted at one end of the equipment shell, a movable hole is formed in the upper surface of the equipment shell, a sliding groove is movably mounted in the equipment shell, an adjusting mechanism is arranged in the equipment shell, and the height of the tower crane support leg is adjusted through the adjusting mechanism. The adjusting mechanism comprises a first driving rod, a second driving rod and a driving motor, the first driving rod and the second driving rod are movably installed in the sliding groove, the driving motor is fixed to the equipment shell, anti-skid pads are fixedly installed on the first driving rod and the second driving rod, and tooth marks are arranged on the first driving rod and the second driving rod. And an elastic mechanism is arranged at the first driving rod and the second driving rod in the equipment shell. According to the device for adjusting the height of the supporting leg of the tower crane in the narrow space, the adjusting rod can be rotated in the narrow space through the matching of the adjusting mechanism and the tightening mechanism, so that a user can conveniently adjust the height of the supporting leg of the tower crane.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a device for adjusting the height of tower crane legs in a narrow space. Background Art

[0002] During the pre-embedded construction of the tower crane foundation, it is generally necessary to adjust the pre-embedded legs horizontally. The horizontality of the four pre-embedded legs of the tower crane foundation is required to be within 1‰, with high precision. Publication No. CN210887284U discloses a fixed support stirrup for the pre-embedded section of the tower crane foundation, including a support adjustment seat, an adjustment rod is arranged in the middle of the upper side of the support adjustment seat, an adjustment sleeve is rotatably connected to the outer wall of the adjustment rod and the upper side of the support adjustment seat, a support column is arranged in the middle of the upper side of the connection seat, a mounting seat is arranged on the upper side of the support column, a positioning column is arranged in the middle of the upper side of the mounting seat, a first fixing bolt is arranged on the upper left side of the positioning column, a second fixing bolt is arranged on the upper right side of the positioning column, a third fixing bolt is arranged on the upper left side of the positioning column, and a fourth fixing bolt is arranged on the upper right side of the positioning column.

[0003] In the device, the height of the crane legs is adjusted by rotating the adjusting rod. However, the tower crane is sometimes set at the corners of some buildings, and the tower crane legs are close to the wall. When the adjusting rod is rotated with a wrench, it is easy to be blocked, and the adjustment is inconvenient. Therefore, a device for adjusting the height of the tower crane legs in a narrow space is proposed. Utility Model Content

[0004] The main purpose of the utility model is to provide a device for adjusting the height of tower crane legs in a narrow space, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A device for adjusting the height of a tower crane leg in a narrow space comprises an equipment housing, a holding rod is fixedly installed at one end of the equipment housing, a movable hole is opened on the upper surface of the equipment housing, a sliding groove is movably installed in the equipment housing, an adjustment mechanism is arranged in the equipment housing, the adjustment mechanism comprises a first driving rod and a second driving rod movably installed in the sliding groove and a driving motor fixed on the equipment housing, anti-slip pads are fixedly installed on the first driving rod and the second driving rod, tooth marks are arranged on the first driving rod and the second driving rod, a reduction gear is movably installed between the first driving rod and the second driving rod, a driving gear is fixedly installed at the output end of the driving motor, a tensioning mechanism is arranged at the first driving rod and the second driving rod in the equipment housing, the tensioning mechanism comprises a hydraulic rod fixed on both sides of the equipment housing, a first ball is arranged at the output end of the hydraulic rod, a pushing block is movably installed in the equipment housing, a second ball is movably installed on the pushing block, and a spring is arranged on one side of the pushing block.

[0007] Furthermore, a movable shaft is provided on the reduction gear, and the reduction gear is movably installed between the first driving rod and the second driving rod through the movable shaft, and the reduction gear is meshed with tooth marks on the first driving rod and the second driving rod.

[0008] Furthermore, the first driving rod and the second driving rod are both movably installed in the device housing through the movable hole, the driving gear is movably installed in the device housing through the driving motor, and the driving gear is meshed with the reduction gear.

[0009] Furthermore, a mounting hole is provided in the sliding groove, and the pushing block is installed in the device housing through the mounting hole. One end of the spring is connected to the bottom of the mounting hole, and the other end of the spring is connected to the pushing block.

[0010] Furthermore, a movable slide groove is provided on the end of the hydraulic rod and the pushing block, the first ball is movably mounted on the output end of the hydraulic rod through the movable slide groove, and the second ball is movably mounted on the pushing block through the movable slide groove.

[0011] Furthermore, the output end of the driving motor extends into the device housing through the movable hole.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] When in use, the first driving rod and the second driving rod can be clamped between the adjusting rod. After the first driving rod and the second driving rod are clamped between the adjusting rod, the hydraulic rod can be started to press the first driving rod and the second driving rod onto the adjusting rod. Then the driving motor can be started. After starting the driving motor, it will drive the first driving rod forward and the second driving rod backward, thereby rotating the adjusting rod in a narrow space, which is convenient for users to adjust the height of the tower crane legs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the adjustment mechanism of the utility model;

[0016] Figure 3 It is a schematic diagram of the tensioning mechanism of the utility model.

[0017] In the figure: 1. Equipment housing; 2. Movable hole; 3. Holding rod; 4. Sliding groove; 5. Adjusting mechanism; 501. First driving rod; 502. Second driving rod; 503. Anti-slip pad; 504. Reduction gear; 505. Driving gear; 506. Driving motor; 507. Tooth marks; 6. Tensioning mechanism; 601. Hydraulic rod; 602. First ball; 603. Pushing block; 604. Spring; 605. Second ball; 606. Movable sliding groove. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1 As shown, a device for adjusting the height of a tower crane leg in a narrow space comprises an equipment housing 1, a holding rod 3 is fixedly installed at one end of the equipment housing 1, a movable hole 2 is opened on the upper surface of the equipment housing 1, a sliding groove 4 is movably installed in the equipment housing 1, an adjusting mechanism 5 is arranged in the equipment housing 1, and a tensioning mechanism 6 is arranged at the first driving rod 501 and the second driving rod 502 in the equipment housing 1, the output end of the driving motor 506 extends into the equipment housing 1 through the movable hole 2, and the adjusting rod can be rotated in a narrow space through the cooperation of the adjusting mechanism 5 and the tensioning mechanism 6, so that the user can adjust the height of the tower crane leg.

[0020] like Figure 3As shown, the tensioning mechanism 6 includes a hydraulic rod 601 fixed on both sides of the equipment housing 1, a first ball 602 is provided at the output end of the hydraulic rod 601, a pushing block 603 is movably installed in the equipment housing 1, a second ball 605 is movably installed on the pushing block 603, a spring 604 is provided on one side of the pushing block 603, a mounting hole is provided in the sliding groove 4, the pushing block 603 is installed in the equipment housing 1 through the mounting hole, one end of the spring 604 is connected to the bottom of the mounting hole, and the other end of the spring 604 is connected to the pushing block 603, a movable slide groove 606 is provided at the end of the hydraulic rod 601 and the pushing block 603, the first ball 602 is movably installed at the output end of the hydraulic rod 601 through the movable slide groove 606, and the second ball 605 is movably installed on the pushing block 603 through the movable slide groove 606.

[0021] Specifically, the hydraulic rod 601 applies pressure to the first drive rod 501 and the second drive rod 502, so that the first drive rod 501 and the second drive rod 502 are pressed against the adjustment rod. After the hydraulic rod 601 is retracted, the spring 604 drives the push block 603 to move forward, so that the first drive rod 501 and the second drive rod 502 release the adjustment rod.

[0022] like Figure 2 As shown, the adjustment mechanism 5 includes a first driving rod 501 and a second driving rod 502 movably installed in the sliding groove 4 and a driving motor 506 fixed on the device housing 1, the first driving rod 501 and the second driving rod 502 are both fixedly installed with anti-slip pads 503, the first driving rod 501 and the second driving rod 502 are both provided with tooth marks 507, a reduction gear 504 is movably installed between the first driving rod 501 and the second driving rod 502, a driving gear 505 is fixedly installed at the output end of the driving motor 506, a movable shaft is provided on the reduction gear 504, the reduction gear 504 is movably installed between the first driving rod 501 and the second driving rod 502 through the movable shaft, and the reduction gear 504 is meshed with the tooth marks 507 on the first driving rod 501 and the second driving rod 502, the first driving rod 501 and the second driving rod 502 are both movably installed in the device housing 1 through the movable hole 2, the driving gear 505 is movably installed in the device housing 1 through the driving motor 506, and the driving gear 505 is meshed with the reduction gear 504.

[0023] Specifically, the driving motor 506 drives the driving gear 505 to rotate, and after the driving gear 505 rotates, it drives the reduction gear 504 to rotate. After the reduction gear 504 rotates, it drives the first driving rod 501 forward and the second driving rod 502 backward, rubbing the adjustment rod, thereby rotating the adjustment rod in a narrow space.

[0024] It should be noted that the utility model is a device for adjusting the height of a tower crane leg in a narrow space. In actual use, the first drive rod 501 and the second drive rod 502 are first clamped between the adjusting rods. After the first drive rod 501 and the second drive rod 502 are clamped between the adjusting rods, the hydraulic rod 601 can be started. After starting the hydraulic rod 601, it will apply pressure to the first drive rod 501 and the second drive rod 502, so that the first drive rod 501 and the second drive rod 502 are pressed against the adjusting rod. After the first drive rod 501 and the second drive rod 502 are pressed against the adjusting rod, the drive motor 506 can be started. After starting the drive motor 506, it will drive the first drive rod 501 forward and the second drive rod 502 backward, rubbing the adjusting rod, thereby rotating the adjusting rod in a narrow space, which is convenient for users to adjust the height of the tower crane leg.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for adjusting the height of a tower crane leg in a narrow space, comprising a device housing (1), characterized in that: A holding rod (3) is fixedly mounted on one end of the device housing (1); a movable hole (2) is opened on the upper surface of the device housing (1); a sliding groove (4) is movably mounted in the device housing (1); an adjustment mechanism (5) is arranged in the device housing (1); the adjustment mechanism (5) comprises a first driving rod (501) and a second driving rod (502) movably mounted in the sliding groove (4) and a driving motor (506) fixed on the device housing (1); anti-slip pads (503) are fixedly mounted on the first driving rod (501) and the second driving rod (502); tooth marks (507) are arranged on the first driving rod (501) and the second driving rod (502); A reduction gear (504) is movably mounted between the first drive rod (501) and the second drive rod (502); a drive gear (505) is fixedly mounted at the output end of the drive motor (506); a tensioning mechanism (6) is provided at the first drive rod (501) and the second drive rod (502) in the device housing (1); the tensioning mechanism (6) comprises a hydraulic rod (601) fixed to both sides of the device housing (1); a first ball (602) is provided at the output end of the hydraulic rod (601); a push block (603) is movably mounted in the device housing (1); a second ball (605) is movably mounted on the push block (603); and a spring (604) is provided on one side of the push block (603).

2. The device for adjusting the height of tower crane legs in a narrow space according to claim 1, characterized in that: The reduction gear (504) is provided with a movable shaft, and the reduction gear (504) is movably installed between the first driving rod (501) and the second driving rod (502) via the movable shaft, and the reduction gear (504) is meshed with tooth marks (507) on the first driving rod (501) and the second driving rod (502).

3. The device for adjusting the height of tower crane legs in a narrow space according to claim 2, characterized in that: The first driving rod (501) and the second driving rod (502) are both movably mounted in the device housing (1) through the movable hole (2), the driving gear (505) is movably mounted in the device housing (1) through the driving motor (506), and the driving gear (505) is meshed with the reduction gear (504).

4. The device for adjusting the height of tower crane legs in a narrow space according to claim 3, characterized in that: The sliding groove (4) is provided with a mounting hole, and the pushing block (603) is installed in the device housing (1) through the mounting hole. One end of the spring (604) is connected to the bottom of the mounting hole, and the other end of the spring (604) is connected to the pushing block (603).

5. The device for adjusting the height of tower crane legs in a narrow space according to claim 4, characterized in that: A movable slide groove (606) is provided on the end of the hydraulic rod (601) and the pushing block (603); the first ball (602) is movably mounted on the output end of the hydraulic rod (601) via the movable slide groove (606); and the second ball (605) is movably mounted on the pushing block (603) via the movable slide groove (606).

6. The device for adjusting the height of tower crane legs in a narrow space according to claim 5, characterized in that: The output end of the driving motor (506) extends into the device housing (1) through the movable hole (2).

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