Section steel arch frame hoisting tool

Abstract

The utility model discloses a profile steel lagging jack hoisting tool, which relates to the technical field of profile steel lagging jack transfer equipment, and comprises an inner carriage, a traction structure, an outer carriage, inner hook teeth, outer hook teeth and a distance adjusting mechanism, the traction structure is arranged at the top of the inner carriage, the outer carriage is arranged on the outer side of the inner carriage, the inner carriage is horizontally connected with the outer carriage in a sliding manner, and the distance adjusting mechanism is arranged on the outer side of the outer carriage. A plurality of inner hook teeth are arranged at the bottom of the inner sliding frame in the horizontal direction, a plurality of outer hook teeth are arranged at the bottom of the outer sliding frame in the horizontal direction, the distance adjusting mechanism is used for adjusting the distance between the inner hook teeth and the outer hook teeth, and the inner hook teeth and the outer hook teeth are matched to be meshed with the profile steel arch frame. According to the utility model, the labor cost can be reduced, and the hoisting safety is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of steel arch frame transfer equipment, specifically to a steel arch frame hoisting tool. Background Technology

[0002] The steel arch frame is arched in shape and has an I-shaped cross-section, such as... Figure 5 As shown. When transporting steel arch frames, the shape of the steel arch frames makes them difficult to stack and fix. Therefore, steel bars are generally used to temporarily weld and fix several sections of steel arch frames before hoisting tools are used to transport them.

[0003] The following drawbacks exist when using steel bars to temporarily weld and fix several sections of steel arch frame: First, the welding operation requires workers to have welding skills, which increases the wages of welders and raises labor costs; second, the welding quality is difficult to control, posing a risk of the steel arch frame falling accidentally and reducing the safety of hoisting.

[0004] Therefore, how to reduce labor costs and improve hoisting safety are the technical problems that need to be solved. Utility Model Content

[0005] To address the aforementioned shortcomings of existing technologies, this invention proposes a steel arch frame hoisting tool that can reduce labor costs and improve hoisting safety.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A steel arch hoisting tool includes an inner slide, a traction structure, an outer slide, inner hook teeth, outer hook teeth, and an adjusting mechanism. The traction structure is provided at the top of the inner slide, and the outer slide is provided on the outside of the inner slide. The inner slide and the outer slide are horizontally slidably connected. The bottom of the inner slide has a number of inner hook teeth along the horizontal direction, and the bottom of the outer slide has a number of outer hook teeth along the horizontal direction. The adjusting mechanism is used to adjust the distance between the inner hook teeth and the outer hook teeth. The inner hook teeth and the outer hook teeth cooperate to engage the steel arch.

[0008] Furthermore, the inner carriage includes two inner steel plates, an inner connecting rod connecting the two inner steel plates, elongated holes in both inner steel plates, and inner hook teeth at the bottom of both inner steel plates.

[0009] The outer slide includes two outer steel plates, and two inner steel plates are provided with outer steel plates on the side opposite to each other. An outer connecting rod is connected between the two outer steel plates. The outer connecting rod passes through a long hole and slides in the long hole in a horizontal direction. The bottom of the two outer steel plates is provided with the outer hook teeth.

[0010] Furthermore, the adjusting mechanism includes an adjusting rod and a pin. The adjusting rod is connected to the inner connecting rod. The outer connecting rod is provided with a sliding hole that runs through in the horizontal direction and an insertion hole that runs through in the vertical direction. The adjusting rod slides in the sliding hole in the horizontal direction. The adjusting rod is provided with a plurality of adjusting holes. The pin is inserted into the insertion hole and the adjusting hole.

[0011] Furthermore, the adjusting mechanism includes an elastic element, one end of which is connected to the inner steel plate, and the other end of which is connected to the outer steel plate.

[0012] Furthermore, the adjusting mechanism also includes a lever, and both the inner connecting rod and the outer connecting rod are provided with levers.

[0013] Furthermore, the adjusting mechanism includes a telescopic rod, one end of which is connected to the outer connecting rod, and the other end of which is connected to the inner connecting rod.

[0014] Furthermore, the traction structure includes traction rings and traction ropes. Two traction rings are provided on the top of each of the two inner steel plates. The two traction rings on the top of each inner steel plate are connected by traction ropes, and the two traction ropes are connected at the middle.

[0015] Furthermore, the traction rope is made of chain or wire rope.

[0016] The beneficial effects of this utility model are:

[0017] 1. In this utility model, the inner and outer slides can be moved to engage and fix the inner and outer hook teeth with the flange of the steel arch frame with an I-shaped cross section.

[0018] Because the hoisting tool provided by this utility model can engage and fix the steel arch frame, there is no need to use steel bars to weld and fix several steel arch frames. Therefore, it is not necessary for workers to have welding skills, which reduces the technical difficulty and allows ordinary workers to be used, thus reducing labor costs.

[0019] 2. Because there is no need to use steel bars to weld and fix several steel arches, the danger of steel arches falling due to poor welding quality can be avoided, which helps to improve the safety of hoisting.

[0020] 3. Because there is no need to use steel bars to weld and fix several steel arch frames, the risk of welding damage on the steel arch frames can be reduced, thus protecting the steel arch frames.

[0021] 4. Because there are several inner and outer hook teeth, multiple steel arch frames can be engaged at the same time, thus enabling the lifting of multiple steel arch frames at one time, thereby improving lifting efficiency. Attached Figure Description

[0022] Figure 1 This is a perspective view of a steel arch frame hoisting tool according to Embodiment 1;

[0023] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;

[0024] Figure 3 This is a perspective view of a steel arch frame hoisting tool according to Embodiment 2;

[0025] Figure 4 This is a perspective view of a steel arch frame hoisting tool according to Example 3;

[0026] Figure 5 This is a 3D view of a steel arch frame.

[0027] Explanation of reference numerals in the attached figures:

[0028] 11-Inner steel plate, 111-Elongated hole, 112-Inner hook rod, 12-Inner connecting rod.

[0029] 21-Outer steel plate, 211-Outer hook rod, 22-Outer connecting rod, 221-Sliding hole, 222-Insertion hole

[0030] 3-Inner hook teeth,

[0031] 4-External hook teeth,

[0032] 51-Adjusting rod, 511-Adjusting hole, 52-Pin,

[0033] 61-Traction ring, 62-Traction rope,

[0034] 71-Elastic element, 72-Actuating part,

[0035] 8-Telescopic pole,

[0036] 9-type steel arch frame. Detailed Implementation

[0037] To better understand this utility model, it will be further described below with reference to the accompanying drawings. It is worth noting that in the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] Example 1:

[0039] See Figure 1A steel arch frame hoisting tool includes an inner slide, an outer slide, an inner hook tooth 3, an outer hook tooth 4, an adjustment mechanism, and a traction structure.

[0040] See Figure 1 The inner carriage includes two inner steel plates 11 and two inner connecting rods 12. The two inner steel plates 11 are arranged side by side, and the two inner connecting rods 12 are arranged in parallel. The two inner steel plates 11 are welded and fixed to the two inner connecting rods 12. Each of the two inner steel plates 11 is provided with two elongated holes 111.

[0041] See Figure 1 The outer carriage includes two outer steel plates 21 and two outer connecting rods 22. The two outer steel plates 21 are arranged side by side, and the two outer connecting rods 22 are arranged in parallel. Two inner steel plates 11 are located between the two outer steel plates 21, and two inner connecting rods 12 are located between the two outer connecting rods 22. The two outer steel plates 21 and the two outer connecting rods 22 are welded and fixed. The outer connecting rods 22 pass through the elongated hole 111, and the outer connecting rods 22 and the elongated hole 111 slide in a horizontal direction.

[0042] See Figure 1 The bottom of each of the two inner steel plates 11 is provided with six inner hook teeth 3 along the horizontal direction, and the bottom of each of the two outer steel plates 21 is provided with six outer hook teeth 4 along the horizontal direction. The adjusting mechanism is used to adjust the distance between the inner hook teeth 3 and the outer hook teeth 4. When the inner hook teeth 3 and the outer hook teeth 4 are close to each other, the inner hook teeth 3 and the outer hook teeth 4 can cooperate to interlock the steel arch frame 9. Figure 1 This represents the state where the six inner hook teeth 3 and the six outer hook teeth 4 are furthest apart.

[0043] like Figure 2 As shown, in this embodiment 1, the adjusting mechanism includes an adjusting rod 51 and a pin 52. The adjusting rod 51 is welded and fixed to the inner connecting rod 12. The outer connecting rod 22 is provided with a sliding hole 221 that runs through in the horizontal direction and an insertion hole 222 that runs through in the vertical direction. The adjusting rod 51 slides in the sliding hole 221 in the horizontal direction. The adjusting rod 51 is provided with a plurality of adjusting holes 511. The pin 52 is inserted into the insertion hole 222 and the adjusting hole 511.

[0044] See Figure 1 The inner carriage has a traction structure at its top. The traction structure includes a traction ring 61 and a traction rope 62. In this embodiment 1, the traction rope 62 can be a chain or a wire rope. Two traction rings 61 are welded and fixed to the top of each of the two inner steel plates 11. The two traction rings 61 at the top of each inner steel plate 11 are connected by the traction rope 62, and the middle parts of the two traction ropes 62 are welded together.

[0045] When using the hoisting tool of Embodiment 1 to hoist the steel arch frame 9, the operation is as follows:

[0046] (1) The worker pulls the pin 52 out of the insertion hole 222 and the adjustment hole 511, releasing the fixed state of the adjustment rod 51 and the outer connecting rod 22. At this time, the adjustment rod 51 can slide freely in the sliding hole 221 on the outer connecting rod 22, and the inner steel plate 11 and the outer steel plate 21 can undergo relative displacement.

[0047] (2) The worker moves the inner steel plate 11 to the right and the outer steel plate 21 to the left, so that the distance between the inner hook tooth 3 and the outer hook tooth 4 increases, so that the outer hook tooth 4 and the inner hook tooth 3 can enter the gap between two adjacent steel arch frames 9.

[0048] (3) The worker moves the inner steel plate 11 to the left and the outer steel plate 21 to the right, so that the outer hook tooth 4 and the inner hook tooth 3 come closer to each other to bite the flange of the steel arch frame 9. Then the pin 52 is reinserted into the insertion hole 222 and the adjustment hole 511 to complete the fixing.

[0049] (4) Use a crane to lift the traction rope 62 for hoisting.

[0050] In summary, by shifting the inner steel plate 11 and the outer steel plate 21, the inner hook teeth 3 and the outer hook teeth 4 can engage with the flange of the I-shaped steel arch frame 9 to achieve interlocking fixation.

[0051] As can be seen from the above process, the hoisting tool provided in this embodiment 1 can engage and fix the steel arch frame 9, so there is no need to use steel bars to weld and fix several steel arch frames 9, thus eliminating the need for workers to have welding skills, reducing technical difficulty, and allowing ordinary workers to be used, thereby reducing labor costs.

[0052] Because there is no need to use steel bars to weld and fix several steel arch frames 9, the danger of the steel arch frames 9 falling due to poor welding quality can be avoided, which helps to improve the safety of hoisting.

[0053] Furthermore, in this embodiment 1, when the pin 52 in the adjusting mechanism is inserted into the insertion hole 222 and the adjusting hole 511, it can fix the position of the inner connecting rod 12 and the outer connecting rod 22, so it can fix the meshing state of the inner hook tooth 3 and the outer hook tooth 4 on the steel arch frame 9, prevent the steel arch frame 9 from falling accidentally, and make the hoisting process safer and the transportation process more stable.

[0054] Because there is no need to use steel bars to weld and fix several steel arch frames 9, the risk of welding damage on the steel arch frames 9 can be reduced, thus protecting the steel arch frames 9.

[0055] Because there are six inner hook teeth 3 and six outer hook teeth 4, they can engage six steel arch frames 9 at the same time, thus enabling the lifting of six steel arch frames 9 at one time, thereby improving the lifting efficiency.

[0056] Example 2:

[0057] like Figure 3 As shown, this embodiment 2 is basically the same as embodiment 1, except that this embodiment 2 provides a second structure for the adjusting mechanism: the adjusting mechanism includes an elastic element 71, which can be a spring; an inner hook rod 112 is welded on the inner steel plate 11, and an outer hook rod 211 is welded on the outer steel plate 21; one end of the spring is hung on the inner hook rod 112, and the other end of the spring is hung on the outer hook rod 211.

[0058] When it is necessary to increase the distance between the inner hook tooth 3 and the outer hook tooth 4: the worker needs to overcome the elastic force of the elastic element 71, move the inner steel plate 11 to the right and the outer steel plate 21 to the left, so that the distance between the inner hook tooth 3 and the outer hook tooth 4 can be increased.

[0059] When it is necessary to reduce the distance between the inner hook teeth 3 and the outer hook teeth 4: the worker releases his hand, and under the elastic force of the elastic element 71, the inner steel plate 11 moves to the left to reset, and the outer steel plate 21 moves to the right to reset, so that the distance between the inner hook teeth 3 and the outer hook teeth 4 is reduced. After the distance is reduced, the meshing state of the steel arch frame 9 can be maintained.

[0060] As can be seen from the above process, the distance adjustment mechanism provided in this embodiment 2 can also realize the distance adjustment of the inner hook tooth 3 and the outer hook tooth 4.

[0061] Furthermore, the adjustment mechanism also includes a lever part 72, which is welded and fixed to both the inner connecting rod 12 and the outer connecting rod 22. The lever part 72 provides a gripping position for the worker to move the inner steel plate 11 and the outer steel plate 21, facilitating operation.

[0062] Example 3:

[0063] like Figure 4 As shown, in addition to the adjusting mechanism provided in Embodiments 1 and 2, the adjusting mechanism of Embodiment 3 includes a telescopic rod 8, which can be a hydraulic cylinder, a pneumatic cylinder, or an electric push rod.

[0064] like Figure 4 As shown, if a hydraulic cylinder is used as the telescopic rod 8, the cylinder body needs to be fixedly installed on the outer connecting rod 22, and the piston rod of the hydraulic cylinder is fixedly connected to the inner connecting rod 12.

[0065] When the piston rod of the oil cylinder extends, the inner steel plate 11 moves to the right and the outer steel plate 21 moves to the left, which increases the distance between the inner hook tooth 3 and the outer hook tooth 4.

[0066] When the piston rod of the hydraulic cylinder retracts, the inner steel plate 11 moves to the left and the outer steel plate 21 moves to the right, which reduces the distance between the inner hook tooth 3 and the outer hook tooth 4. After the distance is reduced, the meshing state of the steel arch frame 9 can be maintained.

[0067] When using a hydraulic cylinder, pneumatic cylinder, or electric push rod as the telescopic rod 8, it can save workers the effort required to adjust the distance between the inner hook teeth 3 and the outer hook teeth 4, thus reducing the labor intensity of workers.

[0068] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A steel arch hoisting tool, characterized in that: It includes an inner slide, a traction structure, an outer slide, inner hook teeth, outer hook teeth, and a distance adjustment mechanism. The top of the inner slide is provided with a traction structure, the outer side of the inner slide is provided with an outer slide, the inner slide and the outer slide are horizontally slidably connected, the bottom of the inner slide is provided with a plurality of inner hook teeth along the horizontal direction, the bottom of the outer slide is provided with a plurality of outer hook teeth along the horizontal direction, the distance adjustment mechanism is used to adjust the distance between the inner hook teeth and the outer hook teeth, and the inner hook teeth and the outer hook teeth cooperate with the bite steel arch frame.

2. A steel arch hoisting tool according to claim 1, characterized in that: The inner slide comprises two inner steel plates, an inner connecting rod is connected between the two inner steel plates, the two inner steel plates are both provided with long holes, and the bottoms of the two inner steel plates are both provided with the inner hook teeth; The outer slide frame includes two outer steel plates, and the two inner steel plates are each provided with an outer steel plate on the side facing away from each other. An outer connecting rod is connected between the two outer steel plates, and the outer connecting rod passes through a long hole. The outer connecting rod and the long hole slide in cooperation with each other in a horizontal direction, and the outer hook teeth are each provided at the bottom of the two outer steel plates.

3. A steel arch hoisting tool according to claim 2, characterized in that: The distance adjustment mechanism includes an adjusting rod and a latch, the adjusting rod is connected to the inner connecting rod, the outer connecting rod is provided with a sliding hole penetrating in the horizontal direction and a plug hole penetrating in the vertical direction, the adjusting rod is slidably matched with the sliding hole in the horizontal direction, the adjusting rod is provided with a plurality of adjusting holes, and the latch is plug-fitted with the plug hole and the adjusting hole.

4. A steel arch hoisting tool according to claim 2, characterized in that: The distance adjustment mechanism comprises an elastic member, one end of which is connected to the inner steel plate, and the other end of which is connected to the outer steel plate.

5. A steel arch hoisting tool according to claim 4, characterized in that: The distance adjustment mechanism further comprises a pull portion, and the pull portion is provided on both the inner connecting rod and the outer connecting rod.

6. A steel arch hoisting tool according to claim 2, characterized in that: The distance adjustment mechanism comprises a telescopic rod, one end of which is connected to the outer connecting rod, and the other end of which is connected to the inner connecting rod.

7. A steel arch hoisting tool according to claim 2, characterized in that: The traction structure includes a traction ring and a traction rope. Two traction rings are provided on the top of the two inner steel plates. The two traction rings on the top of each inner steel plate are connected by a traction rope, and the middle parts of the two traction ropes are connected.

8. A steel arch hoisting tool according to claim 7, characterized in that: The traction rope is a chain or a steel wire rope.

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