Lifting machine for hydraulic engineering construction

Abstract

The utility model relates to the technical field of lifting machines, in particular to a lifting machine for hydraulic engineering construction, which comprises a transverse shaft, wheels are rotatably connected to two ends of the transverse shaft, a support cylinder is fixedly connected to the center above the transverse shaft, an adjusting cylinder is inserted into the support cylinder, and a transverse pipe is connected to the top of the adjusting cylinder. The outer part of the supporting cylinder is in threaded connection with a first screw rod, and a lever is inserted into the transverse pipe; and the positioning ring is arranged outside the lever in a sleeving mode, the interior of the positioning ring is in threaded connection with a second screw rod, and the second screw rod abuts against the outer wall of the lever. Through the arrangement of the lifting structure, the height of the device can be flexibly adjusted, so that when the device is used, the device can better adapt to prefabricated parts with different heights for hoisting treatment, invalid movement of equipment is reduced, meanwhile, the position of the lever is flexibly adjusted, and the working efficiency is improved. And the adaptive adjustment of the hoisting height is further realized.

Description

Technical Field

[0001] The utility model relates to the technical field of hoists, in particular to a hoist used for water conservancy project construction. Background Art

[0002] Water conservancy projects are projects built to control and allocate natural surface water and groundwater in order to achieve the purpose of eliminating harm and promoting benefits. The most common water conservancy project is the drainage project, which achieves the discharge of accumulated water through the construction of drainage ditches. When the drainage ditch is under construction, it and the prefabricated parts are mostly lifted and transported by a lever crane.

[0003] However, when the existing lever crane is used to transport prefabricated parts for water conservancy projects, its lifting height cannot be adjusted due to the integrated structural setting of its frame, so that the device cannot better realize the transportation of prefabricated parts when hoisting prefabricated parts of different heights. At the same time, the position of its lever cannot be adjusted, which further affects its lifting height and reduces its adaptability. Utility Model Content

[0004] The purpose of the utility model is to provide a crane for water conservancy project construction, so as to solve the problem that the integrated structural setting proposed in the above-mentioned background technology makes it impossible to adjust the hoisting height, thereby making it impossible for the device to better realize the transportation of prefabricated parts when hoisting prefabricated parts of different heights.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a crane for water conservancy project construction, comprising:

[0006] A horizontal axis, both ends of which are rotatably connected to wheels, a support cylinder is fixedly connected to the center of the upper portion of the horizontal axis, an adjustment cylinder is inserted into the interior of the support cylinder, a horizontal tube is connected to the top of the adjustment cylinder, a first screw is threadedly connected to the exterior of the support cylinder, and a lever is inserted into the interior of the horizontal tube;

[0007] A positioning ring is sleeved on the outside of the lever, the inner thread of the positioning ring is connected with a second screw rod, and the second screw rod abuts against the outer wall of the lever.

[0008] Preferably, a first reinforcing rod is connected between the transverse axis and the supporting tube, and a second reinforcing rod is connected between the adjusting tube and the transverse tube.

[0009] Preferably, positioning holes are evenly opened on the outside of the support tube, adjustment holes are evenly opened on the lower half of the adjustment tube, and the first screw penetrates the positioning holes of the support tube to the inside of the adjustment hole of the adjustment tube, a threaded tube is arranged on the outer wall of the support tube corresponding to the positioning holes, and the internal thread of the threaded tube is connected to the first screw.

[0010] Preferably, the lever is slidably inserted into the interior of the transverse tube, two groups of the positioning rings and the second screw rods are provided, and the two groups of the positioning rings and the second screw rods are symmetrically distributed at both ends of the transverse tube, and the positioning rings are respectively in contact with the transverse tube.

[0011] Preferably, one end of the lever is fixedly connected to a handle, the other end of the lever is fixedly connected to a positioning sleeve, a traction column is provided at the bottom of the positioning sleeve, and an outer wall of the traction column is connected to a lifting ring via a ball bearing.

[0012] Preferably, the traction column is in a step shape, and the maximum diameter of the traction column is smaller than the outer diameter of the ball bearing, and the lifting ring is rotatably connected to the traction column via the ball bearing.

[0013] Preferably, the lifting ring comprises two parts, an upper rotating sleeve and a lower metal ring, and the bottom of the rotating sleeve is in a C-shaped structure, and the C-shaped structure is wrapped around the stepped outside of the maximum diameter of the traction column.

[0014] Compared with the prior art, the beneficial effect of the utility model is that the height of the device can be flexibly adjusted through the setting of the liftable structure, so that when the device is in use, it can better adapt to the prefabricated parts of different heights for hoisting processing, reduce the ineffective movement of the equipment, and at the same time, the lever position can be flexibly adjusted to further realize the adaptive adjustment of the hoisting height.

[0015] (1) The utility model can flexibly adjust the support height through the telescopic adjustment of the support tube and the adjustment tube, and then the lifting height of the device can be adjusted, so that it can adapt to the lifting processing of prefabricated parts of different heights, greatly improving the adaptability of the device and reducing the ineffective movement of the equipment. At the same time, through its height adjustment, it can better adapt to the height of the user and facilitate the user's pushing.

[0016] (2) The utility model uses the circular rotation connection of the lifting ring to enable the device to better realize the rotation adjustment of the prefabricated parts during the lifting and transportation of the prefabricated parts, thereby facilitating the placement of the prefabricated parts and further improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0020] Figure 4This is a schematic diagram of the partial explosion structure of the support tube of the utility model;

[0021] Figure 5 It is a schematic diagram of the partial explosion structure of the lifting ring of the utility model.

[0022] In the figure: 1, horizontal axis; 2, wheel; 3, support cylinder; 4, adjustment cylinder; 5, first screw; 6, horizontal tube; 7, lever; 8, handle; 9, positioning sleeve; 10, traction column; 11, ball bearing; 12, lifting ring; 13, positioning ring; 14, second screw. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides an embodiment: a crane for water conservancy project construction, comprising:

[0025] A horizontal axis 1, both ends of which are rotatably connected to wheels 2, a support tube 3 is fixedly connected to the center of the upper part of the horizontal axis 1, an adjusting tube 4 is inserted into the interior of the support tube 3, a horizontal tube 6 is connected to the top of the adjusting tube 4, a first screw rod 5 is threadedly connected to the exterior of the support tube 3, a lever 7 is inserted into the interior of the horizontal tube 6, and the height of the lever 7 can be adjusted by telescopic adjustment of the support tube 3 and the adjusting tube 4, which can not only realize the adjustment of the hoisting height of the device, but also better adapt to the height of the user for use, thereby improving the comfort and convenience of using the device;

[0026] The positioning ring 13 is sleeved on the outside of the lever 7. The internal thread of the positioning ring 13 is connected to the second screw 14, and the second screw 14 abuts against the outer wall of the lever 7. Through the setting of the positioning ring 13, the lever 7 can be assisted in limiting the position while adjusting the length of both ends of the lever 7 to ensure the stability of its support.

[0027] Furthermore, a first reinforcing rod is connected between the transverse axis 1 and the supporting tube 3, and a second reinforcing rod is connected between the adjusting tube 4 and the transverse tube 6, so as to further improve the overall stability of the vehicle body of the device.

[0028] Furthermore, positioning holes are evenly opened on the outside of the support tube 3, and adjustment holes are evenly opened on the lower half of the adjustment tube 4, and the first screw 5 penetrates the positioning holes of the support tube 3 to the inside of the adjustment holes of the adjustment tube 4. A threaded tube is arranged on the outer wall of the support tube 3 corresponding to the positioning holes, and the internal thread of the threaded tube is connected with the first screw 5. The height adjustment of the support tube 3 and the adjustment tube 4 is realized by the first screw 5 penetrating and supporting the adjustment holes at different positions.

[0029] Furthermore, the lever 7 is slidably inserted in the interior of the transverse tube 6, two groups of positioning rings 13 and second screws 14 are provided, and the two groups of positioning rings 13 and second screws 14 are symmetrically distributed at both ends of the transverse tube 6, and the positioning rings 13 are respectively in contact with the transverse tube 6. One end of the lever 7 is fixedly connected to the handle 8, and the other end of the lever 7 is fixedly connected to the positioning sleeve 9. A traction column 10 is provided at the bottom of the positioning sleeve 9. The outer wall of the traction column 10 is connected to a lifting ring 12 through a ball bearing 11. The traction column 10 is stepped, and the traction column 10 is The maximum diameter is smaller than the outer diameter of the ball bearing 11. The lifting ring 12 is rotatably connected to the traction column 10 through the ball bearing 11. The lifting ring 12 includes an upper rotating sleeve and a lower metal ring. The bottom of the rotating sleeve is a C-shaped structure, and the C-shaped structure is wrapped around the stepped outside of the maximum diameter of the traction column 10. Through the rotatable connection of the lifting ring 12, the sling connected below the lifting ring 12 can better perform circular rotation, so that the prefabricated parts hoisted by the device can be better adjusted in position when placed.

[0030] Working principle: The wheels 2 and ball bearings 11 used in this application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be repeated here. When the utility model is in use, first, the sling is selected and installed at the lifting ring 12, and then the device can be hoisted and used by holding the handle 8. The prefabricated parts are clamped by the sling and horizontally pried by the lever 7 to achieve the hoisting and transportation of the prefabricated parts.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A crane for water conservancy project construction, characterized in that: include: A transverse axis (1), both ends of the transverse axis (1) are rotatably connected to wheels (2), a support tube (3) is fixedly connected to the center of the upper part of the transverse axis (1), an adjustment tube (4) is inserted into the interior of the support tube (3), a transverse tube (6) is connected to the top of the adjustment tube (4), a first screw rod (5) is threadedly connected to the outside of the support tube (3), and a lever (7) is inserted into the interior of the transverse tube (6); A positioning ring (13) is sleeved on the outside of the lever (7), the internal thread of the positioning ring (13) is connected to a second screw rod (14), and the second screw rod (14) abuts against the outer wall of the lever (7).

2. A crane for water conservancy project construction according to claim 1, characterized in that: A first reinforcing rod is connected between the transverse axis (1) and the supporting tube (3), and a second reinforcing rod is connected between the adjusting tube (4) and the transverse tube (6).

3. A crane for water conservancy project construction according to claim 1, characterized in that: The support tube (3) is provided with positioning holes evenly on its exterior, the adjustment tube (4) is provided with adjustment holes evenly on its lower half, and the first screw (5) penetrates the positioning holes of the support tube (3) to the interior of the adjustment holes of the adjustment tube (4), a threaded tube is provided on the outer wall of the support tube (3) corresponding to the positioning holes, and the first screw (5) is connected to the internal threads of the threaded tube.

4. A crane for water conservancy project construction according to claim 1, characterized in that: The lever (7) is slidably inserted into the interior of the transverse tube (6), and two groups of the positioning ring (13) and the second screw rod (14) are provided. The two groups of the positioning ring (13) and the second screw rod (14) are symmetrically distributed at both ends of the transverse tube (6), and the positioning rings (13) are respectively in contact with the transverse tube (6).

5. A crane for water conservancy project construction according to claim 1, characterized in that: One end of the lever (7) is fixedly connected to a handle (8), and the other end of the lever (7) is fixedly connected to a positioning sleeve (9). A traction column (10) is provided at the bottom of the positioning sleeve (9), and the outer wall of the traction column (10) is connected to a lifting ring (12) via a ball bearing (11).

6. A crane for water conservancy project construction according to claim 5, characterized in that: The traction column (10) is in a step shape, and the maximum diameter of the traction column (10) is smaller than the outer diameter of the ball bearing (11), and the lifting ring (12) is rotatably connected to the traction column (10) via the ball bearing (11).

7. A crane for water conservancy project construction according to claim 5, characterized in that: The lifting ring (12) comprises an upper rotating sleeve and a lower metal ring, and the bottom of the rotating sleeve is a C-shaped structure, and the C-shaped structure is wrapped around the stepped outside of the maximum diameter of the traction column (10).

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