Hoisting equipment for steel structure construction

Abstract

The utility model belongs to the technical field of steel structure construction, and particularly provides hoisting equipment for steel structure construction, which comprises a mounting frame, two clamping mechanisms and an auxiliary locking mechanism, the two clamping mechanisms are slidably mounted at the bottom of the mounting frame and are symmetrically arranged about the middle of the mounting frame, and hoisting rings are arranged at four corners of the top of the mounting frame. The auxiliary locking mechanism comprises a pressing plate, a screw rod, a telescopic rod and a compression spring, a threaded through hole is formed in the middle of the mounting frame, the screw rod is screwed with the threaded through hole, one end of the screw rod extends out of the mounting frame to be connected with a rotating handle, and the other end of the screw rod is connected with the pressing plate through the telescopic rod; the two ends of the compression spring are fixedly connected with the bottom of the pressing plate and the bottom of the mounting frame correspondingly, and a clamping space used for containing the steel structure is formed between the bottom of the pressing plate and the clamping mechanism. Due to the arrangement of the auxiliary locking mechanism, the steel structure hoisting device can be suitable for hoisting steel structures with different sizes and can prevent the steel structures from shaking and slipping, and the fixing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure construction, in particular to a hoisting device used for steel structure construction. Background Art

[0002] Steel structure engineering is one of the main types of building structures and one of the more common structural forms in modern construction projects. Steel structure engineering is a structure made mainly of steel. The application of steel structure has made great progress, far exceeding the past in both quantity and quality.

[0003] At present, the hoisting equipment used for installing steel structures in the prior art cannot adapt to the size of the steel structure, the clamping is not firm enough, and the steel structure is easy to fall off the hoisting equipment. Utility Model Content

[0004] In response to the technical problems in the prior art, the utility model provides a lifting device for steel structure construction, including a mounting frame and two clamping mechanisms, the two clamping mechanisms are slidably installed on the bottom of the mounting frame and are symmetrically arranged about the middle of the mounting frame, and four corners of the top of the mounting frame are provided with lifting rings, and also include an auxiliary locking mechanism, the auxiliary locking mechanism includes a pressure plate, a screw, a telescopic rod and a compression spring placed in the two clamping mechanisms, a threaded through hole is provided in the middle of the mounting frame, the screw is screwed into the threaded through hole, one end of the screw extends out of the top of the mounting frame and is connected to a rotating handle, and the other end is connected to the pressure plate through the telescopic rod, the compression spring is sleeved on the outside of the telescopic rod, and the two ends of the compression spring are respectively fixedly connected to the pressure plate and the bottom of the mounting frame, and a clamping space for placing the steel structure is formed between the bottom of the pressure plate and the clamping mechanism.

[0005] Furthermore, a lifting device used for steel structure construction also includes a supporting mechanism, which includes two supporting rods and a buffer assembly arranged on the top of the supporting rods. The bottom of the clamping mechanism is provided with a sliding groove on the side close to each other. The supporting rods are slidably installed in the sliding groove, and the top of the buffer assembly abuts against the steel structure.

[0006] Furthermore, the buffer assembly includes a first piston cylinder, a first support plate, a second piston cylinder and a second support plate, a plurality of the first piston cylinders and a plurality of the second piston cylinders are alternately and spaced apart at the top of the support rod, a slider is slidably provided in the first piston cylinder and the second piston cylinder, a sealed first cavity and a second cavity are formed between the slider and the bottom and side wall of the first piston cylinder or the second piston cylinder, the bottoms of the first support plate and the second support plate are respectively slid through the tops of the first piston cylinder and the second piston cylinder by connecting rods and are fixedly connected to the slider, and the height of the first support plate is higher than that of the second support plate.

[0007] Furthermore, the buffer assembly also includes a first spring arranged in the first piston cylinder and a second spring arranged in the second piston cylinder, one end of the first spring and the second spring are respectively fixedly connected to the bottom of the first piston cylinder and the second piston cylinder, and the other end is fixedly connected to the slider, when the first support plate and the second support plate are not subject to external force, the slider slides to the top of the first piston cylinder or the second piston cylinder under the elastic force of the first spring or the second spring.

[0008] Furthermore, the buffer assembly also includes a connecting pipe, which connects the first cavity and the second cavity.

[0009] Furthermore, elastic rubber pads are provided on the tops of the first support plate and the second support plate.

[0010] Beneficial effects:

[0011] 1. In the utility model, two sliding clamping mechanisms and the symmetrical arrangement of the two clamping mechanisms about the middle part of the mounting frame can meet the lifting of steel structures of different lengths and sizes, and can ensure the force balance during the lifting process. The auxiliary locking mechanism including the pressure plate, the screw, the telescopic rod and the compression spring can be used for the lifting of steel structures of different heights and sizes, and can prevent the steel structure from shaking or even slipping during the lifting process, thereby improving the fixing effect and safety performance. The specific process is to first adjust the distance between the two clamping mechanisms according to the length of the steel structure, and then rotate the screw by rotating the handle to adjust the distance between the pressure plate and the steel structure so that the pressure plate and the steel structure are in contact. In this process, the elastic force of the compression spring can be used to squeeze and fix the steel structure, which can improve the fixing effect on the one hand, and provide a certain buffer space on the other hand to achieve fine adjustment of the distance. In addition, the size of the preload of the compression spring can be adjusted by screwing the screw and the threaded through hole, which is suitable for the lifting of steel structures of different materials.

[0012] 2. In the utility model, by providing a support mechanism including two support rods and a buffer assembly arranged on the top of the support rods, the steel structure can be easily supported, further preventing the steel structure from shaking or even sliding during the lifting process, thereby improving the fixing effect and safety performance.

[0013] 3. In the utility model, by setting the first piston cylinder, the first support plate, the second piston cylinder, the second support plate, the slider and the connecting rod, the steel structure can be buffered and supported in sequence to improve the support and buffering effect. In addition, the steel structure and the clamping mechanism can be made to fit more closely, thereby preventing the steel structure from falling off during the lifting process. Combined with the setting of the first spring and the second spring, the elastic force of the spring can be used to automatically reset the first support plate and the second support plate, which is convenient for subsequent use.

[0014] 4. In the utility model, the setting of the connecting pipe can facilitate the gas exchange between the first cavity and the second cavity, so that the first support plate can drive the second support plate to move up and contact with the steel structure in advance through gas compression while the steel structure moves down, which can further improve the support and buffering effect, and further prevent the steel structure from shaking or even falling off during the lifting process; combined with the setting of the elastic rubber pad, it can increase the friction resistance between the steel structure and further prevent the steel structure from shaking or even falling off during the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the auxiliary locking mechanism structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the support mechanism and the clamping mechanism of the utility model;

[0019] Figure 4 for Figure 3 Detailed structural diagram at A in the middle.

[0020] Description of reference numerals:

[0021] 1. Mounting frame; 2. Clamping mechanism; 3. Lifting ring; 4. Pressing plate; 5. Screw rod; 6. Telescopic rod; 7. Compression spring; 8. Rotating handle; 9. Clamping space; 10. Support rod; 11. First piston cylinder; 12. First support plate; 13. Second piston cylinder; 14. Second support plate; 15. Sliding block; 16. Connecting rod; 17. First spring; 18. Second spring; 19. Connecting pipe; 20. Elastic rubber pad. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0028] The utility model provides a hoisting device for steel structure construction, such as Figure 1 , Figure 2 As shown, it includes a mounting frame 1 and two clamping mechanisms 2, the two clamping mechanisms 2 are slidably mounted on the bottom of the mounting frame 1, and are symmetrically arranged about the middle of the mounting frame 1, and the four corners of the top of the mounting frame 1 are provided with hanging rings 3, and also includes an auxiliary locking mechanism, the auxiliary locking mechanism includes a pressing plate 4, a screw 5, a telescopic rod 6 and a compression spring 7 placed in the two clamping mechanisms 2, the middle of the mounting frame 1 is provided with a threaded through hole, the screw 5 is screwed with the threaded through hole, one end of the screw 5 extends out of the top of the mounting frame 1 and is connected to a rotating handle 8, The other end is connected to the pressure plate 4 through the telescopic rod 6, and the compression spring 7 is sleeved on the outside of the telescopic rod 6, and the two ends of the compression spring 7 are respectively fixedly connected to the pressure plate 4 and the bottom of the mounting frame 1. In order to increase the adjustment range of the pressure plate 4, the diameter of the screw 5 is larger than the diameter of the telescopic rod 6 and smaller than the inner diameter of the compression spring 7, so that the telescopic rod 6 can be extended into the threaded through hole during adjustment, and a clamping space 9 for placing a steel structure is formed between the bottom of the pressure plate 4 and the clamping mechanism 2, wherein the length of the pressure plate 4 is not less than the length of the mounting frame 1, thereby improving the fixing effect.

[0029] In this embodiment, through the two sliding clamping mechanisms 2 and the symmetrical arrangement of the two clamping mechanisms 2 about the middle part of the mounting frame 1, it is possible to meet the lifting of steel structures of different lengths and sizes, and at the same time ensure the force balance during the lifting process. Through the arrangement of the auxiliary locking mechanism including the pressure plate 4, the screw 5, the telescopic rod 6 and the compression spring 7, it is possible to adapt to the lifting of steel structures of different heights and sizes, and at the same time prevent the steel structure from shaking or even slipping during the lifting process, thereby improving the fixing effect and safety performance. The specific process is to first adjust the distance between the two clamping mechanisms 2 according to the length of the steel structure, and then rotate the screw 5 by rotating the handle 8 to adjust the distance between the pressure plate 4 and the steel structure so that the pressure plate 4 and the steel structure are in contact. In this process, the elastic force of the compression spring 7 can be used to squeeze and fix the steel structure. On the one hand, it can improve the fixing effect, and on the other hand, it can also provide a certain buffer space to achieve fine-tuning of the distance. In addition, the size of the pre-pressure of the compression spring 7 can be adjusted by screwing the screw 5 with the threaded through hole, which is suitable for the lifting of steel structures of different materials.

[0030] In the present invention, preferably, Figure 1 , Figure 3 and Figure 4 As shown, a lifting device used for steel structure construction also includes a supporting mechanism, which includes two supporting rods 10 and a buffer assembly arranged on the top of the supporting rods 10, and a sliding groove is opened on the side close to each other at the bottom of the clamping mechanism 2, and the supporting rods 10 are slidably installed in the sliding groove, and the top of the buffer assembly abuts against the steel structure.

[0031] In this embodiment, by setting up a support mechanism including two support rods 10 and a buffer assembly arranged on the top of the support rods 10, the steel structure can be easily supported, further preventing the steel structure from shaking or even sliding during the lifting process, thereby improving the fixing effect and safety performance.

[0032] In the present invention, preferably, Figure 3 and Figure 4 As shown, the buffer assembly includes a first piston cylinder 11, a first support plate 12, a second piston cylinder 13, and a second support plate 14. A plurality of the first piston cylinders 11 and a plurality of the second piston cylinders 13 are alternately and spaced apart at the top of the support rod 10. Slide blocks 15 are slidably provided in the first piston cylinder 11 and the second piston cylinder 13. The slide blocks 15 and the bottom and side walls of the first piston cylinder 11 or the second piston cylinder 13 form a sealed first cavity and a sealed second cavity. The bottoms of the first support plate 12 and the second support plate 14 are respectively slidably penetrated through the tops of the first piston cylinder 11 and the second piston cylinder 13 and the slide blocks through the connecting rods 16. The first support plate 12 is fixedly connected to the second support plate 14, and the height of the first support plate 12 is higher than that of the second support plate 14; the buffer assembly also includes a first spring 17 arranged in the first piston cylinder 11 and a second spring 18 arranged in the second piston cylinder 13, one end of the first spring 17 and the second spring 18 are respectively fixedly connected to the bottom of the first piston cylinder 11 and the second piston cylinder 13, and the other end is fixedly connected to the slider 15. When the first support plate 12 and the second support plate 14 are not subjected to external force, the slider 15 slides to the top of the first piston cylinder 11 or the second piston cylinder 13 under the elastic force of the first spring 17 or the second spring 18.

[0033] In this embodiment, by arranging the first piston cylinder 11, the first support plate 12, the second piston cylinder 13, the second support plate 14, the slider 15 and the connecting rod 16, the steel structure can be buffered and supported in sequence to improve the support and buffering effect. In addition, the steel structure and the clamping mechanism 2 can be made to fit more closely, thereby preventing the steel structure from falling off during the lifting process. Combined with the arrangement of the first spring 17 and the second spring 18, the elastic force of the spring can be used to automatically reset the first support plate 12 and the second support plate 14, which is convenient for subsequent use.

[0034] In the present invention, preferably, Figure 3 and Figure 4 As shown, the buffer assembly further includes a connecting pipe 19, and the connecting pipe 19 connects the first cavity and the second cavity.

[0035] In this embodiment, the setting of the connecting pipe 19 can facilitate the gas exchange between the first cavity and the second cavity, so that the first support plate 12 can drive the second support plate 14 to move up and contact the steel structure in advance through gas compression while the steel structure moves down, which can further improve the support and buffering effect, and further prevent the steel structure from shaking or even falling off during the lifting process.

[0036] In the present invention, preferably, Figure 4 As shown, elastic rubber pads 20 are disposed on the tops of the first support plate 12 and the second support plate 14 .

[0037] In this embodiment, by providing the elastic rubber pad 20, the friction resistance between the steel structure and the elastic rubber pad 20 can be increased, further preventing the steel structure from shaking or even falling off during the hoisting process.

[0038] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A hoisting device for steel structure construction, comprising a mounting frame (1) and two clamping mechanisms (2), wherein the two clamping mechanisms (2) are slidably mounted on the bottom of the mounting frame (1) and are symmetrically arranged about the middle of the mounting frame (1), and the four corners of the top of the mounting frame (1) are each provided with a lifting ring (3), characterized in that: The invention also comprises an auxiliary locking mechanism, which comprises a pressure plate (4), a screw rod (5), a telescopic rod (6) and a compression spring (7) placed in the two clamping mechanisms (2); a threaded through hole is provided in the middle of the mounting frame (1); the screw rod (5) is screwed into the threaded through hole; one end of the screw rod (5) extends out of the top of the mounting frame (1) and is connected to a rotating handle (8); the other end of the screw rod (5) is connected to the pressure plate (4) through the telescopic rod (6); the compression spring (7) is sleeved outside the telescopic rod (6), and the two ends of the compression spring (7) are respectively fixedly connected to the bottom of the pressure plate (4) and the mounting frame (1); a clamping space (9) for placing a steel structure is formed between the bottom of the pressure plate (4) and the clamping mechanism (2).

2. The hoisting equipment for steel structure construction according to claim 1, characterized in that: It also includes a support mechanism, which includes two support rods (10) and a buffer assembly arranged on the top of the support rods (10), and a sliding groove is provided on the side close to each other at the bottom of the clamping mechanism (2), and the support rods (10) are slidably installed in the sliding groove, and the top of the buffer assembly is in contact with the steel structure.

3. The hoisting equipment for steel structure construction according to claim 2, characterized in that: The buffer assembly comprises a first piston cylinder (11), a first support plate (12), a second piston cylinder (13) and a second support plate (14); a plurality of the first piston cylinders (11) and a plurality of the second piston cylinders (13) are alternately and spaced apart at the top of the support rod (10); a slider (15) is slidably provided in the first piston cylinder (11) and the second piston cylinder (13); a sealed first cavity and a sealed second cavity are formed between the slider (15) and the bottom and side wall of the first piston cylinder (11) or the second piston cylinder (13); the bottoms of the first support plate (12) and the second support plate (14) are respectively slidably penetrated through the tops of the first piston cylinder (11) and the second piston cylinder (13) by a connecting rod (16) and are fixedly connected to the slider (15); the height of the first support plate (12) is higher than that of the second support plate (14).

4. The hoisting equipment for steel structure construction according to claim 3, characterized in that: The buffer assembly further comprises a first spring (17) arranged in the first piston cylinder (11) and a second spring (18) arranged in the second piston cylinder (13); one end of the first spring (17) and the second spring (18) are respectively fixedly connected to the bottom of the first piston cylinder (11) and the second piston cylinder (13); the other end of each of the first spring (17) and the second spring (18) are fixedly connected to the slider (15); when the first support plate (12) and the second support plate (14) are not subjected to external force, the slider (15) slides to the top of the first piston cylinder (11) or the second piston cylinder (13) under the elastic force of the first spring (17) or the second spring (18).

5. The hoisting equipment for steel structure construction according to claim 4, characterized in that: The buffer assembly further comprises a connecting pipe (19), wherein the connecting pipe (19) connects the first cavity and the second cavity.

6. A hoisting device for steel structure construction according to any one of claims 3 to 5, characterized in that: Elastic rubber pads (20) are provided on the tops of the first support plate (12) and the second support plate (14).

Images