Steel net rack supporting structure convenient to unload
By designing the top support structure on the support frame, including support rods, bottom supports, and clamping components, the problems of difficult rotation of threaded rods and friction damage during the unloading process of the steel space frame were solved, achieving a safe and convenient unloading effect.
Patent Information
- Application Number
- CN202520193165.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-02-07
AI Technical Summary
After the steel space frame is installed, the threaded rod is difficult to rotate during the unloading process, and the top of the threaded rod is prone to friction damage to the support points of the steel space frame, resulting in difficulty in unloading.
The structure includes a support frame, top support, bottom support, and clamping components. By rotating the inner rod, the height of the bottom support is lowered, allowing the clamping plate to hold the lower string ball, thus avoiding continuous pressure on the inner rod during descent and reducing friction damage.
This ensures the safety and convenience of the bottom support of the steel space frame, avoids difficulties in rotating the threaded rod and friction damage, and guarantees the safety and convenience of the unloading process.
Smart Images
Figure CN223838624U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel space frame installation and construction technology, and in particular to a steel space frame support structure that is easy to unload. Background Technology
[0002] With the continuous development of steel structure buildings, steel space frame structures are increasingly being used in roofing projects. The installation and support of steel space frames is a key aspect of construction, often requiring the erection of support structures at the support nodes below the steel space frame to be installed. These support structures typically employ a combination of standard sections and top supports. However, due to the unique shape of steel space frames and the varying elevations of different support nodes, coupled with the fact that standard sections are mostly of standard specifications, the support height of the top supports at different support nodes needs to be finely adjusted accordingly. The top supports must also be easily adjustable in height; therefore, some top supports utilize threaded rods. The height of the top support is adjusted by changing the length of the threaded rod inside the threaded sleeve in conjunction with the threaded sleeve assembly structure. However, after the steel space frame is installed, the support structure needs to be unloaded. Due to its large span, the steel space frame has a certain design settlement range, and it needs to be unloaded step by step to observe the settlement and installation quality. During the unloading process of the threaded rod descending, the steel space frame continuously exerts a large pressure on the support structure below, making it difficult for the threaded rod to rotate during the entire unloading process. In addition, the top of the threaded rod is prone to continuous friction damage to the support points of the steel space frame, which makes the unloading of the support structure below the steel space frame more difficult. Utility Model Content
[0003] The purpose of this utility model is to provide a steel space frame support structure that is easy to unload, in order to solve the technical problems mentioned in the background art.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A steel space frame support structure for easy unloading includes a support frame and a top support mounted on the support frame. The support frame is a rectangular frame structure, and a conversion platform, which is a rectangular steel plate, is fixedly mounted on the top of the support frame. The top support includes a support rod, a bottom support, and clamping components mounted on the top of the support rod. The support rod includes a bottom sleeve, a middle sleeve, and an inner rod that are sequentially sleeved together. The middle sleeve is threaded onto the inner rod. Both the bottom sleeve and the middle sleeve have multiple adjustment holes. The bottom sleeve is bolted onto the middle sleeve. The bottom sleeve is welded and fixed to the top surface of the conversion platform. The bottom support is fixed to the top of the inner rod. The clamping component includes two fixing rods, two clamping plates respectively set on the two fixing rods, and a tie rod between the two clamping plates. The two fixing rods are symmetrically arranged on both sides of the upper part of the middle sleeve. The two fixing rods are arranged on the same straight line. One end of the fixing rod is welded and fixed to the middle sleeve. The fixing rod is perpendicular to the surface of the clamping plate. The clamping plate and the fixing rod are slidably connected. The opposite sides of the surface of the two clamping plates are provided with spherical limiting grooves. The tie rod is set vertically through the two clamping plates.
[0006] Furthermore, the base support includes a base plate and a cross-shaped support fixed above the base plate. The base plate is welded and fixed to the top of the inner rod. The cross-shaped support has a cross-shaped cross section and includes a steel plate one and two steel plates two. The two steel plates two are respectively vertically arranged in the middle of the two sides of the steel plate two. The top edge of the steel plate one and the top edges of the two steel plates two are concave arc edges. The bottom edges of the steel plate one and the steel plate two are welded and fixed to the top surface of the base plate.
[0007] Furthermore, the first steel plate and the second steel plate are of the same length, and the width of the first steel plate is twice the width of the second steel plate.
[0008] Furthermore, the support frame includes multiple standard sections, each of which is a rectangular frame. The multiple standard sections are stacked vertically. Each standard section includes four columns and a web member located between two adjacent columns. The web member is welded and fixed between two adjacent columns.
[0009] Furthermore, both ends of the column are provided with connecting steel plates, the middle of which is welded and fixed to the end of the column. The connecting steel plates are provided with multiple bolt holes, and the connecting steel plates of adjacent standard sections are fixedly connected by bolts.
[0010] Furthermore, the top surface of the fixed rod is provided with a strip-shaped groove, and a slider is fixedly provided at the bottom of the clamping plate. The slider is slidably connected to the strip-shaped groove within the strip-shaped groove.
[0011] Furthermore, the clamping plate is provided with connecting holes, through which the two ends of the pull screw pass through the two clamping plates respectively.
[0012] Compared with the prior art, this utility model has the following features and beneficial effects:
[0013] This utility model utilizes a top support mounted on a support frame. The top support includes a support rod, a bottom support at the top of the support rod, and clamping components. The support rod comprises a bottom sleeve, a middle sleeve, and an inner rod sequentially connected. The clamping components include two symmetrically positioned fixing rods on either side of the upper part of the middle sleeve and a clamping plate above the fixing rods for holding the lower chord ball. Therefore, during unloading of the bottom support structure of the steel space frame, the inner rod is rotated to lower the support height of the bottom support, causing it to disengage from the contact with the lower chord ball. The two clamping plates support the lower chord ball of the steel space frame. Once the bottom support has disengaged from the lower chord ball by a predetermined distance, the tie rod is opened, and the two clamping plates are moved to disengage from the lower chord ball. This avoids the continuous pressure on the inner rod caused by the steel space frame's own settlement during the inner rod's descent, preventing the inner rod from being difficult to rotate under pressure and the continuous frictional damage to the lower chord ball caused by the top of the inner rod. This ensures the safety and convenience of unloading the bottom support of the steel space frame, possessing safety and applicability characteristics. It has good promotion and practical value, and its widespread application will generate significant economic benefits. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the top support structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the support frame structure of this utility model;
[0016] Figure 3 This is a front view structural diagram of the clamping plate of this utility model.
[0017] Reference numerals: 1. Support frame; 2. Conversion platform; 3. Bottom sleeve; 4. Middle sleeve; 5. Inner rod; 6. Adjustment hole; 7. Fixing rod; 8. Clamping plate; 9. Pull screw; 10. Spherical limiting groove; 11. Base plate; 12. Connecting hole; 13. Cross support; 14. Lower chord ball. Detailed Implementation
[0018] To make the technical means, innovative features, objectives and effects of this utility model easier to understand, the utility model will be further described below.
[0019] The embodiments described herein are specific implementations of this utility model, used to illustrate the concept of this utility model. They are all illustrative and exemplary, and should not be construed as limiting the implementation methods or scope of this utility model. In addition to the embodiments described herein, those skilled in the art can employ other obvious technical solutions based on the content disclosed in the claims and specification of this application. These technical solutions include those that make any obvious substitutions and modifications to the embodiments described herein.
[0020] This utility model discloses a steel space frame support structure that facilitates unloading, such as... Figures 1 to 3As shown, the structure includes a support frame 1 and a top support mounted on the support frame 1. The top support is used to support the bottom of the lower chord ball 14 of the steel space frame. The support frame 1 includes multiple standard sections, each a rectangular frame, which are vertically stacked. Each standard section includes four columns and web members between adjacent columns. The web members are welded and fixed between adjacent columns. Each column has connecting steel plates at both ends, with the middle of the connecting steel plates welded and fixed to the end of the column. The connecting steel plates have multiple bolt holes, and the connecting steel plates of adjacent standard sections are fixedly connected by bolts. A conversion platform 2, a rectangular thick steel plate, is fixedly mounted on the top of the support frame 1. The top support is located in the middle of the conversion platform 2 and includes... The support rod includes a bottom support and clamping components located at the top of the support rod. The support rod comprises a bottom sleeve 3, a middle sleeve 4, and an inner rod 5, which are sequentially connected. The inner rod 5 has threads on its outer circumference. The middle sleeve 4 is partially fitted onto the inner rod 5 and connected to it by threads. Both the bottom sleeve 3 and the middle sleeve 4 have multiple adjustment holes 6. The bottom sleeve 3 is partially fitted onto the middle sleeve 4 and fixed by bolts. The bottom end of the bottom sleeve 3 is welded to the top surface of the conversion platform 2. The bottom support is a steel component, comprising a base plate 11 and a cross support 13 fixed above the base plate 11. The base plate 11 is welded to the top of the inner rod 5. The cross support 13 has a cross-shaped cross section and includes a steel plate one and two steel plates two. The two steel plates are of the same length, and the width of steel plate one is twice the width of steel plate two. The two steel plates two are respectively vertically positioned at the middle of both sides of steel plate two. The top edge of steel plate one and the top edge of the combined steel plates two are both concave arc edges, thus fitting with the bottom of the lower chord ball 14 of the supported steel space frame. The bottom edges of steel plates one and two are welded and fixed to the top surface of the base plate 11. The clamping components include two fixing rods 7, two clamping plates 8 respectively mounted on the two fixing rods 7, and a tie rod 9 between the two clamping plates 8. The fixing rods 7 are strip-shaped block structures, and the two fixing rods 7 are symmetrically arranged on both sides of the upper part of the middle sleeve 4. The two fixing rods 7 are on the same straight line, and one end of the fixing rod 7 is welded and fixed to the middle sleeve 4. The clamping plates 8 are rectangular thick steel plates. The plate and the fixing rod 7 are perpendicular to the plate surface of the clamping plate 8. The clamping plate 8 is slidably connected to the fixing rod 7. Specifically, the top surface of the fixing rod 7 is provided with a strip-shaped groove, and the bottom of the clamping plate 8 is fixed with a slider. The slider is slidably connected to the strip-shaped groove in the strip-shaped groove. On the opposite sides of the plate surfaces of the two clamping plates 8, there are spherical limiting grooves 10 for clamping the lower chord ball 14 of the steel space frame. The center of the bottom of the spherical limiting groove 10 is at the same height as the center of the lower chord ball 14 of the steel space frame. The distance from the center of the bottom of the spherical limiting groove 10 to the groove opening is less than half the radius of the lower chord ball 14 of the steel space frame. The clamping plate 8 is provided with a connecting hole 12. The tie rod 9 is set vertically through the two clamping plates 8. The two ends of the tie rod 9 pass through the two clamping plates 8 through the connecting hole 12 respectively.
[0021] During construction, support frames 1 are erected according to the height of the lower chord ball 14 of the steel space frame at different locations, and the height of the top support at the corresponding location is adjusted. After installing the lower chord ball 14 and the corresponding lower chord rod, the two clamping plates 8 are slid on the fixed rod 7 toward the lower chord ball 14 until they are respectively against the spherical limiting groove 10 on both sides of the lower chord ball 14. The two clamping plates 8 are clamped to the lower chord ball 14 by the tie rod 9. When unloading, the support height of the bottom support is first reduced by rotating the inner rod 5 so that the bottom support is separated from the lower chord ball 14. The two clamping plates 8 support the lower chord ball 14 of the steel space frame. After the bottom support is separated from the lower chord ball 14 by a predetermined distance, the tie rod 9 is opened and the two clamping plates 8 are moved to separate them from the lower chord ball 14. If the steel space frame sinks within the designed settlement range, the bottom support will again abut against the lower chord ball 14. Then the two clamping plates 8 will be clamped to the lower chord ball 14 again. The previous operation is repeated until the support structure is completely separated from the steel space frame.
[0022] This utility model utilizes a top support mounted on a support frame. The top support includes a support rod, a bottom support at the top of the support rod, and a clamping component. The support rod comprises a bottom sleeve, a middle sleeve, and an inner rod sequentially connected. The clamping component includes two symmetrically positioned fixing rods on either side of the upper part of the middle sleeve and a clamping plate above the fixing rods for holding the lower chord ball. Therefore, when unloading the bottom support structure of the steel space frame, the inner rod is rotated to lower the support height of the bottom support, causing the bottom support to disengage from the lower chord ball. The two clamping plates support the lower chord ball of the steel space frame. Once the bottom support has disengaged from the lower chord ball by a predetermined distance, the tie rod is opened, and the two clamping plates are moved to disengage from the lower chord ball. This avoids the continuous pressure on the inner rod caused by the steel space frame's own settlement during the inner rod's descent, preventing the inner rod from being difficult to rotate and the top of the inner rod from continuously causing frictional damage to the lower chord ball of the steel space frame. This ensures the safety and convenience of unloading the bottom support of the steel space frame.
[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A steel space frame support structure that facilitates unloading, characterized in that: The system includes a support frame (1) and a top support mounted on the support frame (1). The support frame (1) is a rectangular frame structure. A conversion platform (2) is fixedly mounted on the top of the support frame (1). The top support includes a support rod, a bottom support and a clamping component mounted on the top of the support rod. The support rod includes a bottom sleeve (3), a middle sleeve (4) and an inner rod (5) that are sequentially sleeved together. The middle sleeve (4) is partially sleeved on the inner rod (5) and connected to the inner rod (5) by threads. The bottom sleeve (3) and the middle sleeve (4) are each provided with multiple adjustment holes (6). The bottom sleeve (3) is partially sleeved on the middle sleeve (4) and fixed by bolts. The bottom end of the bottom sleeve (3) is connected to the conversion platform (2). The top surface is welded and fixed, and the bottom support is fixed to the top of the inner rod (5). The clamping component includes two fixing rods (7), two clamping plates (8) respectively set on the two fixing rods (7), and a tie rod (9) set between the two clamping plates (8). The two fixing rods (7) are symmetrically set on both sides of the upper part of the middle sleeve (4). The two fixing rods (7) are set on the same straight line. One end of the fixing rod (7) is welded and fixed to the middle sleeve (4). The fixing rod (7) is perpendicular to the plate surface of the clamping plate (8). The clamping plate (8) is slidably connected to the fixing rod (7). The two clamping plates (8) are provided with spherical limiting grooves (10) on opposite sides of the plate surface. The tie rod (9) is set vertically through the two clamping plates (8).
2. The steel space frame support structure for easy unloading according to claim 1, characterized in that: The base includes a base plate (11) and a cross bracket (13) fixed above the base plate (11). The base plate (11) is welded and fixed to the top of the inner rod (5). The cross bracket (13) has a cross-shaped cross section and includes a steel plate one and two steel plates two. The two steel plates two are respectively vertically arranged in the middle of the two sides of the steel plate two. The top edge of the steel plate one and the top edge of the two steel plates two are concave arc edges. The bottom edges of the steel plate one and the steel plate two are welded and fixed to the top surface of the base plate (11).
3. The steel space frame support structure for easy unloading according to claim 2, characterized in that: The first steel plate and the second steel plate are of the same length, and the width of the first steel plate is twice the width of the second steel plate.
4. The steel space frame support structure for easy unloading according to claim 1, characterized in that: The support frame (1) includes multiple standard sections, each of which is a rectangular frame. The multiple standard sections are stacked vertically. Each standard section includes four columns and a web member located between two adjacent columns. The web member is welded and fixed between two adjacent columns.
5. A steel space frame support structure for easy unloading according to claim 4, characterized in that: Both ends of the column are provided with connecting steel plates. The middle part of the connecting steel plates is welded and fixed to the end of the column. The connecting steel plates are provided with multiple bolt holes. The connecting steel plates of adjacent standard sections are fixedly connected by bolts.
6. The steel space frame support structure for easy unloading according to claim 1, characterized in that: The top surface of the fixed rod (7) is provided with a strip groove, and the bottom of the clamp (8) is provided with a slider, which slides in the strip groove.
7. A steel space frame support structure for easy unloading according to any one of claims 1 to 6, characterized in that: The clamping plate (8) is provided with a connecting hole (12), and the two ends of the pull screw (9) pass through the two clamping plates (8) through the connecting hole (12).