Reinforced prefabricated stair bearing capacity inspection rigid frame

By designing a reinforced prefabricated staircase bearing capacity inspection frame and using an adjustable limit support mechanism, the problem of staircase detection is solved in different sizes, the stability and adaptability of the device are achieved, and the service life is extended.

CN222166547UActive Publication Date: 2024-12-13SHANGHAI TONGNA CONSTR ENG QUANTITY SURVEYING CO LTD
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Patent Information

Application Number
CN202421005684.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2024-12-13
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

The prior art is difficult to effectively detect the bearing capacity of prefabricated stairs of different sizes, and the stability and adaptability of the detection device are insufficient, which easily leads to deformation and damage of the vertical rod.

Method used

A reinforced prefabricated staircase bearing capacity inspection rigid frame is designed, using a support mechanism with adjustable limits, including a base frame, vertical rod, tie rod, adjustment rod, connecting plate and limit frame, which is realized through sliding connection and engagement mechanism. Adjustment of height and position ensures the stability and adaptability of the device.

Benefits of technology

It realizes effective detection support for stairs of different sizes, extends the service life of the device, avoids deformation and damage of vertical rods, and improves the adaptability and stability of detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a reinforced prefabricated stair bearing capacity inspection rigid frame which comprises a bottom frame, a vertical rod is fixed to the left side of the upper end face of the bottom frame, a pull rod is arranged on the left side of the vertical rod, an adjusting rod is connected to the vertical rod, a top plate is fixed to the upper end of the adjusting rod, and a connecting plate is further fixed to the vertical rod. The connecting plate is connected with a threaded rod through threads, the upper end of the threaded rod is connected to the lower end face of the top plate through a bearing, the bottom frame is further connected with a limiting frame, one end of a stair body is placed on the limiting frame, and the other end of the stair body is placed on the top plate. According to the reinforced prefabricated stair bearing capacity inspection rigid frame, the supporting mechanism capable of being adjusted and limited is adopted, stair bodies of different sizes can be placed, stairs of different sizes can be conveniently adapted to be detected and supported, the adaptability of the device is improved, in cooperation with the supporting effect of the supporting rods, reinforcement of the bottom frame and the vertical rods can be achieved, and the practicability is high. Therefore, the vertical rods are effectively prevented from deforming and being damaged, and the service life is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated staircase detection, in particular to a reinforced prefabricated staircase bearing capacity inspection rigid frame. Background Art

[0002] In the process of engineering construction, prefabricated buildings are widely used at this stage because of their advantages over traditional building models, such as high construction efficiency and mass production. With the development of prefabricated buildings, the structural safety performance inspection of prefabricated components has been paid attention to by general contractors, construction units and supervision units. Among them, stairs are one of the commonly used components in prefabricated buildings, and their bearing capacity is an important factor to ensure safe use. In order to facilitate the simulation of actual installation of prefabricated stairs for inspection, a reinforced prefabricated staircase bearing capacity inspection frame is designed to meet the needs of staircase inspection. Utility Model Content

[0003] The utility model aims to provide a reinforced prefabricated staircase bearing capacity testing frame to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reinforced prefabricated staircase bearing capacity inspection frame, including a base frame, a vertical rod is fixed to the left side of the upper end face of the base frame, a pull rod is arranged on the left side of the vertical rod, an adjusting rod is connected to the vertical rod, a top plate is fixed to the upper end of the adjusting rod, a connecting plate is also fixed to the vertical rod, the connecting plate is connected to the threaded rod through a thread, the upper end bearing of the threaded rod is connected to the lower end face of the top plate, the base frame is also connected to a limiting frame, one end of the stair body is placed on the limiting frame, and the other end of the stair body is placed on the top plate.

[0005] Preferably, one end of the support rod is fixed on the vertical rod, and the other end of the support rod is fixed on the base frame, and the vertical rod and the support rod are symmetrically distributed front to back about the center line of the base frame, and a fixing plate is fixed on the left side of the upper end of the vertical rod. Through the action of the support rod, the base frame and the vertical rod can be supported and reinforced to ensure the stability of the entire steel frame.

[0006] Preferably, a sliding rod is symmetrically fixed on the pull rod front and back, and the sliding rod is slidably connected to the fixed plate, and a clamping block is fixed to the right end of the sliding rod. When the pull rod is moved under force, the sliding guiding effect of the sliding rod can ensure that the pull rod performs stable linear motion.

[0007] Preferably, one end of a spring is fixed on the clamping block, and the other end of the spring is fixed on the fixing plate, so that the elastic action of the pull rod can provide a basic force for the automatic reset of the pull rod.

[0008] Preferably, the adjusting rod and the vertical rod are slidably connected, and the length of the adjusting rod is less than the distance between the connecting plate and the base frame. The height of the top plate can be adjusted by the sliding action between the adjusting rod and the vertical rod to adapt to the detection of stair bodies of different heights, thereby improving the adaptability of the device. Moreover, by limiting the height of the adjusting rod, the normal operation of the device can be ensured.

[0009] Preferably, the adjusting rod is also fixed with latch teeth at equal intervals, and the latch teeth and the latch block are snap-fitted to each other. Through the snap-fitting action between the latch teeth and the latch block, the adjusting rod and the vertical rod can be limited after the height adjustment is completed to ensure the stability of the device.

[0010] Preferably, a protective pad is fixed to the upper surface of the top plate, and the protective pad is in contact with the stair body to achieve a protective effect.

[0011] Preferably, a slider is fixed symmetrically on the lower end surface of the limit frame, and the slider is slidably connected to the base frame. The limit frame can be locked with the base frame by a locking bolt. The position of the limit frame can be adjusted by the sliding guiding action of the slider to accommodate the placement of stair bodies of different sizes. Combined with the locking action of the locking bolt, the stability of the limit frame after adjustment can be ensured.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the reinforced prefabricated staircase bearing capacity inspection frame adopts an adjustable limit support mechanism, which can realize the placement of stair bodies of different sizes, conveniently adapt to the detection and support of stairs of different sizes, improve the adaptability of the device, and cooperate with the supporting effect of the support rod to realize the reinforcement of the base frame and the vertical rod, thereby effectively avoiding deformation and damage of the vertical rod and ensuring the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall left-side stereoscopic structure of the device of the utility model;

[0014] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0015] Figure 3 This is a schematic diagram of the overall right-side stereoscopic structure of the device of the utility model;

[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the limiting frame of the utility model.

[0017] In the figure: 1. base frame; 2. vertical rod; 201. support rod; 202. fixed plate; 3. pull rod; 301. slide rod; 302. block; 4. spring; 5. adjustment rod; 501. latching tooth; 6. connecting plate; 7. threaded rod; 8. top plate; 801. protective pad; 9. limit frame; 901. slide block; 902. locking bolt; 10. stair body. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: a reinforced prefabricated staircase bearing capacity inspection frame, including a base frame 1, a vertical rod 2 is fixed to the left side of the upper end surface of the base frame 1, a pull rod 3 is arranged on the left side of the vertical rod 2, an adjusting rod 5 is connected to the vertical rod 2, a top plate 8 is fixed to the upper end of the adjusting rod 5, a connecting plate 6 is also fixed to the vertical rod 2, the connecting plate 6 is connected to the threaded rod 7 through a thread, the upper end bearing of the threaded rod 7 is connected to the lower end surface of the top plate 8, the base frame 1 is also connected to a limiting frame 9, one end of a staircase body 10 is placed on the limiting frame 9, and the other end of the staircase body 10 is placed on the top plate 8.

[0020] The pull rod 3 is also symmetrically fixed with a slide bar 301, and the slide bar 301 is slidably connected to the fixed plate 202, and a clamping block 302 is fixed to the right end of the slide bar 301; one end of the spring 4 is fixed to the clamping block 302, and the other end of the spring 4 is fixed to the fixed plate 202; the adjustment rod 5 is slidably connected to the vertical rod 2, and the length of the adjustment rod 5 is less than the distance between the connecting plate 6 and the base frame 1; the adjustment rod 5 is also fixed with latch teeth 501 at equal intervals, and the latch teeth 501 are engaged with the clamping block 302;

[0021] When using the reinforced prefabricated staircase bearing capacity test frame, Figure 1-Figure 3When the staircase 1 is lowered, the upper and lower frames 10 are moved to the lower positions, and the upper and lower frames 10 are moved to the lower positions.

[0022] One end of a support rod 201 is fixed to the vertical rod 2, and the other end of the support rod 201 is fixed to the base frame 1, and the vertical rod 2 and the support rod 201 are symmetrically distributed front and back about the center line of the base frame 1, and a fixing plate 202 is fixed to the left side of the upper end of the vertical rod 2; a protective pad 801 is fixed to the upper end surface of the top plate 8, and the protective pad 801 contacts the staircase body 10 to achieve a protective effect; a slider 901 is symmetrically fixed to the lower end surface of the limiting frame 9, and the slider 901 is slidably connected to the base frame 1, and the limiting frame 9 can be locked with the base frame 1 through a locking bolt 902;

[0023] After the height adjustment of the top plate 8 is completed, Figure 1-Figure 4 As shown, the position of the limit frame 9 is adjusted according to the size of the stair body 10. The left and right positions of the limit frame 9 can be adjusted through the sliding action between the slider 901 and the base frame 1 to accommodate stair bodies 10 of different sizes. After the adjustment is completed, the limit frame 9 can be locked by the locking bolt 902 to ensure the stability of the limit frame 9. Finally, the stair body 10 is placed on the top plate 8 and the limit frame 9 through a crane. The stair body 10 can be supported and fixed by the top plate 8 and the limit frame 9, which is convenient for detection. This is the working principle of the reinforced prefabricated stair bearing capacity inspection frame.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforced prefabricated staircase bearing capacity test frame, comprising a base frame (1), a vertical rod (2) being fixed on the left side of the upper end surface of the base frame (1), characterized in that: A pull rod (3) is arranged on the left side of the vertical rod (2); an adjusting rod (5) is connected to the vertical rod (2); a top plate (8) is fixed to the upper end of the adjusting rod (5); a connecting plate (6) is also fixed to the vertical rod (2); the connecting plate (6) is connected to the threaded rod (7) through a thread; the upper end bearing of the threaded rod (7) is connected to the lower end surface of the top plate (8); a limiting frame (9) is also connected to the base frame (1); one end of a staircase body (10) is placed on the limiting frame (9); and the other end of the staircase body (10) is placed on the top plate (8).

2. A reinforced prefabricated staircase bearing capacity test frame according to claim 1, characterized in that: One end of the support rod (201) is fixed to the vertical rod (2), and the other end of the support rod (201) is fixed to the base frame (1), and the vertical rod (2) and the support rod (201) are both symmetrically distributed front and back about the center line of the base frame (1), and a fixing plate (202) is fixed to the left side of the upper end of the vertical rod (2).

3. The reinforced prefabricated staircase bearing capacity inspection frame according to claim 1, characterized in that: The pull rod (3) is also symmetrically fixed with a slide rod (301) in the front and rear directions, and the slide rod (301) is slidably connected to the fixed plate (202), and a clamping block (302) is fixed to the right end of the slide rod (301).

4. A reinforced prefabricated staircase bearing capacity testing frame according to claim 3, characterized in that: One end of a spring (4) is fixed on the clamping block (302), and the other end of the spring (4) is fixed on the fixing plate (202).

5. The reinforced prefabricated staircase bearing capacity testing frame according to claim 1, characterized in that: The adjusting rod (5) is slidably connected to the vertical rod (2), and the length of the adjusting rod (5) is smaller than the distance between the connecting plate (6) and the bottom frame (1).

6. The reinforced prefabricated staircase bearing capacity testing frame according to claim 1, characterized in that: The adjusting rod (5) is also provided with latch teeth (501) fixed at equal intervals, and the latch teeth (501) are in a latching connection with the latch block (302).

7. The reinforced prefabricated staircase bearing capacity testing frame according to claim 1, characterized in that: A protective pad (801) is fixed to the upper end surface of the top plate (8), and the protective pad (801) is in contact with the staircase body (10) to achieve a protective effect.

8. The reinforced prefabricated staircase bearing capacity testing frame according to claim 1, characterized in that: A slider (901) is fixed symmetrically to the lower end surface of the limiting frame (9), and the slider (901) is slidably connected to the base frame (1). The limiting frame (9) can be locked to the base frame (1) via a locking bolt (902).