Adjustable back-jacking supporting tripod

Abstract

The utility model discloses an adjustable back-jacking supporting tripod, which comprises an upper tripod body, a lower tripod body, a first connecting plate, a second connecting plate, a third connecting plate, a fourth connecting plate, a fourth connecting plate, a fourth connecting plate, a fourth connecting plate and a fifth connecting plate, and is characterized in that the upper tripod body comprises a first connecting plate and three tripod supporting legs, and the upper ends of the three tripod supporting legs are rotatably connected with the first connecting plate; the other end of the connecting plate is rotationally connected with the second connecting disc; the three connecting steel rods are connected with the three tripod supporting legs in an inserted mode respectively. The base comprises a third connecting disc and three connecting steel pipes, the connecting steel pipes are arranged above the third connecting disc, the lower ends of the three connecting steel pipes are connected with the three connecting steel pipes in an inserted mode respectively, and three supporting legs are arranged below the base. The adjustable connecting steel rod is arranged, different height requirements can be met, and the connecting steel rod is connected with the base which is rigidly arranged, so that even if the back-jacking supporting tripod is adjusted to a higher height, the back-jacking supporting tripod still can bear a higher load, and the condition that the back-jacking supporting tripod is damaged cannot occur.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering construction, in particular to an adjustable return-to-top supporting tripod. Background Art

[0002] The tripod for top support is a commonly used tool in engineering. This project is mainly used for the support of corrugated steel plates. According to the construction blueprint issued, when the span is greater than 2.5m, the corrugated steel plates need to be supported to prevent the corrugated steel plates from deflecting due to the large span, which may cause safety hazards. The legs of the existing tripod are made of thin-walled steel pipes welded together, and the core part has a lock that is locked by the eccentric principle. After the tripod is opened, hold the support rod, hit the clamp to hold the support rod tightly, and make the support rod independent and stable. However, the adjustable distance of the tripod is very limited, and it cannot be applied to more heights. In addition, the tripod needs to bear loads and has limited strength. Utility Model Content

[0003] The utility model aims to provide an adjustable return-to-top support tripod to solve the above-mentioned problems in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable return-to-top support tripod, including an adjustable return-to-top support tripod, characterized in that it includes: an upper tripod body, which includes a first connecting plate and tripod legs, the first connecting plate is arranged at the top of the upper tripod body, the tripod legs include a first tripod leg, a second tripod leg and a third tripod leg, the upper ends of the first tripod leg, the second tripod leg and the third tripod leg are rotatably connected to the first connecting plate, the middle and lower parts of the first tripod leg, the second tripod leg and the third tripod leg are all provided with an inward connecting plate, and the three tripod legs are connected to the first tripod leg, the second tripod leg and the third tripod leg. The other end of the connecting plate is rotatably connected to the second connecting plate; the connecting steel rod includes a first connecting steel rod, a second connecting steel rod and a third connecting steel rod, and the upper ends of the first connecting steel rod, the second connecting steel rod and the third connecting steel rod are respectively plugged into the first tripod leg, the second tripod leg and the third tripod leg; the base includes a third connecting plate, and a connecting steel pipe is arranged above the third connecting plate, which includes a first connecting steel pipe, a second connecting steel pipe and a third connecting steel pipe, and the lower ends of the first connecting steel rod, the second connecting steel rod and the third connecting steel pipe are respectively plugged into the first connecting steel pipe, the second connecting steel pipe and the third connecting steel pipe, and three supporting feet are arranged below the base.

[0005] In a preferred embodiment, the connecting plate is rotatably connected to the first tripod leg, the second tripod leg and the third tripod leg by bolts, a connecting block is provided at the position where the second connecting plate is connected to the connecting plate, and the connecting block is rotatably connected to the connecting plate by bolts.

[0006] In a preferred embodiment, a plurality of first pin holes are provided at the bottom of the first tripod leg, the second tripod leg and the third tripod leg, a plurality of second pin holes are provided at the upper, middle and lower parts of the first connecting steel rod, the second connecting steel rod and the third connecting steel rod, and a plurality of third pin holes are provided at the upper parts of the first connecting steel pipe, the second connecting steel pipe and the third connecting steel pipe.

[0007] In a preferred embodiment, the second pin holes on the upper parts of the first connecting steel rod, the second connecting steel rod and the third connecting steel rod are arranged to overlap with the first pin holes of the first tripod leg, the second tripod leg and the third tripod leg, and bolts pass through the second pin holes and the first pin holes, and the first connecting steel rod, the second connecting steel rod and the third connecting steel rod are fixedly connected to the first tripod leg, the second tripod leg and the third tripod leg by bolts.

[0008] In a preferred embodiment, the second pin holes at the lower parts of the first connecting steel rod, the second connecting steel rod and the third connecting steel rod are arranged to overlap with the third pin holes on the first connecting steel pipe, the second connecting steel pipe and the third connecting steel pipe, and bolts pass through the second pin holes and the third pin holes, and the first connecting steel rod, the second connecting steel rod and the third connecting steel rod are fixedly connected to the first connecting steel pipe, the second connecting steel pipe and the third connecting steel pipe by bolts.

[0009] In a preferred embodiment, the upper ends of the first tripod leg, the second tripod leg and the third tripod leg are ring-shaped, and the upper ends of the first tripod leg, the second tripod leg and the third tripod leg are sleeved on the first connecting plate.

[0010] In a preferred embodiment, the first connection disk, the second connection disk and the third connection disk are all annular, the first connection disk and the second connection disk are of equal size, and the third connection disk is larger than the first connection disk and the second connection disk.

[0011] In a preferred embodiment, the first tripod leg, the second tripod leg and the third tripod leg are all spaced at equal distances;

[0012] The first connecting steel rod, the second connecting steel rod and the third connecting steel rod are spaced at equal distances;

[0013] The first connecting steel pipe, the second connecting steel pipe and the third connecting steel pipe are spaced at equal distances;

[0014] The three supporting feet arranged below the base are spaced at equal distances.

[0015] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0016] 1. The utility model provides a second connecting plate, which is connected to the first tripod leg, the second tripod leg and the third tripod leg through a connecting plate, so that the first tripod leg, the second tripod leg and the third tripod leg can be opened and closed, and the second connecting plate is more rigid than an ordinary connecting node, so that the return-to-top support tripod can bear a larger load, and when the height is low, there is no need to use a connecting steel rod to lengthen it. When used alone, it has a smaller volume and a lighter weight. When the height is high, the first connecting steel rod, the second connecting steel rod and the third connecting steel rod are inserted under the first tripod leg, the second tripod leg and the third tripod leg, so that the height of the return-to-top support tripod can be adjusted to meet different height requirements.

[0017] 2. The utility model provides an adjustable first connecting steel rod, a second connecting steel rod and a third connecting steel rod, and the connecting steel rods are connected to a rigidly arranged base, so that even if the return top support tripod is adjusted to a higher height, it is still able to bear a stronger load and the return top support tripod will not be damaged.

[0018] 3. The utility model uses a connecting steel rod to adjust the connection between the upper tripod body and the base, and the core steel rod has stronger rigidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] Figure 1 is an overall schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the upper tripod body of the utility model;

[0022] Figure 3 It is a schematic diagram of the base of the utility model;

[0023] In the figure: 1-first connecting plate, 2-first tripod leg, 3-second tripod leg, 4-third tripod leg, 5-connecting plate, 6-second connecting plate, 7-first connecting steel rod, 8-second connecting steel rod, 9-third connecting steel rod, 10-third connecting plate, 11-first connecting steel pipe, 12-second connecting steel pipe, 13-third connecting steel pipe, 14-supporting foot, 15-connecting block, 16-first pin hole, 17-second pin hole, 18-third pin hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model are described clearly and completely below. The embodiments of the utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See the examples Figures 1 to 3 As shown, an adjustable return-to-top support tripod of the utility model comprises: an upper tripod body, the upper tripod body comprises a first connecting plate 1 and tripod legs, the first connecting plate 1 is arranged at the top of the upper tripod body, the tripod legs comprise a first tripod leg 2, a second tripod leg 3 and a third tripod leg 4, the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4 are spaced at equal distances, the upper ends of the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4 are ring-shaped, and the upper ends of the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4 are sleeved on the first connecting plate 1.

[0027] The middle and lower parts of the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4 are all provided with connecting plates 5 facing inward, and the other ends of the three connecting plates 5 are all rotatably connected to the second connecting plates 6; the connecting plates 5 are rotatably connected to the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4 by bolts, and the position where the second connecting plate 6 is connected to the connecting plate 5 is provided with a connecting block 15, and the connecting block 15 is rotatably connected to the connecting plate 5 by bolts. A plurality of first pin holes 16 are provided below the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4.

[0028] Furthermore, it also includes connecting steel rods, which include a first connecting steel rod 7, a second connecting steel rod 8 and a third connecting steel rod 9, and the first connecting steel rod 7, the second connecting steel rod 8 and the third connecting steel rod 9 are spaced at equal distances;

[0029] The upper ends of the first connecting steel rod 7, the second connecting steel rod 8 and the third connecting steel rod 9 are respectively plugged into the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4, and a plurality of second pin holes 17 are opened in the upper, middle and lower parts of the first connecting steel rod 7, the second connecting steel rod 8 and the third connecting steel rod 9. The second pin holes 17 in the upper parts of the first connecting steel rod 7, the second connecting steel rod 8 and the third connecting steel rod 9 are overlapped with the first pin holes 16 in the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4, and bolts pass through the second pin holes 17 and the first pin holes 16, and the first connecting steel rod 7, the second connecting steel rod 8 and the third connecting steel rod 9 are fixedly connected to the first tripod leg 2, the second tripod leg 3 and the third tripod leg 4 by bolts.

[0030] The base includes a third connecting plate 10, and a first connecting steel pipe 11, a second connecting steel pipe 12 and a third connecting steel pipe 13 are arranged above the third connecting plate 10. The first connecting steel pipe 11, the second connecting steel pipe 12 and the third connecting steel pipe 13 are spaced at equal distances. A plurality of third pin holes 18 are opened on the upper parts of the first connecting steel pipe 11, the second connecting steel pipe 12 and the third connecting steel pipe 13. The second pin holes 17 at the lower parts of the first connecting steel rod 7, the second connecting steel rod 8 and the third connecting steel rod 9 are overlapped with the third pin holes 18 on the first connecting steel pipe 11, the second connecting steel pipe 12 and the third connecting steel pipe 13, and bolts pass through the second pin holes 17 and the third pin holes 18, and the first connecting steel rod 7, the second connecting steel rod 8 and the third connecting steel rod 9 are fixedly connected to the first connecting steel pipe 11, the second connecting steel pipe 12 and the third connecting steel pipe 13 by bolts. Three supporting feet 14 are arranged below the base, and the three supporting feet 14 are spaced at equal distances.

[0031] The first connection disk 1 , the second connection disk 6 , and the third connection disk 10 are all in annular shape. The first connection disk 1 and the second connection disk 6 are of equal size, and the third connection disk 10 is larger than the first connection disk 1 and the second connection disk 6 .

[0032] Embodiment 2:

[0033] The specific use method of the utility model is as follows:

[0034] Step 1: When the height is low, the upper tripod body can be directly used for erection, the first connecting plate 1 is abutted against the corrugated steel plate, and the tripod legs are fully opened at the bottom;

[0035] Step 2: When the height is relatively high, the connecting steel rod can be inserted into the tripod leg. The length of the connecting steel rod inserted into the tripod leg can be adjusted according to the height. After the adjustment is completed, the connecting steel rod and the tripod leg are fixedly connected by passing the bolt through the first pin hole 16 and the second pin hole 17;

[0036] Step 3: In order to ensure the rigidity of the tripod, insert the connecting steel rod into the connecting steel pipe provided above the third connecting plate 10;

[0037] Step 4: The connecting steel rod and the connecting steel pipe are fixedly connected by passing bolts through the second pin hole 17 below the connecting steel rod and the third pin hole 18 on the connecting steel pipe.

[0038] 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. An adjustable top-return support tripod, characterized in that: include: An upper tripod body, the upper tripod body comprising a first connection plate (1) and tripod legs, the first connection plate (1) being arranged at the top of the upper tripod body, the tripod legs comprising a first tripod leg (2), a second tripod leg (3) and a third tripod leg (4), the upper ends of the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) being rotatably connected to the first connection plate (1), the middle and lower parts of the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) are all provided with an inwardly facing connection plate (5), the other ends of the three connection plates (5) are all rotatably connected to the second connection plate (6); Connecting steel rods, the connecting steel rods comprising a first connecting steel rod (7), a second connecting steel rod (8) and a third connecting steel rod (9), the upper ends of the first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9) being plugged into the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) respectively; A base, the base comprising a third connecting plate (10), a connecting steel pipe being arranged above the third connecting plate (10), the connecting steel pipe comprising a first connecting steel pipe (11), a second connecting steel pipe (12) and a third connecting steel pipe (13), the lower ends of the first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9) being respectively plugged into the first connecting steel pipe (11), the second connecting steel pipe (12) and the third connecting steel pipe (13), and three supporting feet (14) being arranged below the base.

2. The adjustable top-return support tripod according to claim 1, characterized in that: The connecting plate (5) is rotatably connected to the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) via bolts; a connecting block (15) is provided at a position where the second connecting plate (6) is connected to the connecting plate (5); and the connecting block (15) is rotatably connected to the connecting plate (5) via bolts.

3. The adjustable top-return support tripod according to claim 2, characterized in that: A plurality of first pin holes (16) are provided at the bottom of the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4); a plurality of second pin holes (17) are provided at the upper, middle and lower parts of the first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9); and a plurality of third pin holes (18) are provided at the upper parts of the first connecting steel pipe (11), the second connecting steel pipe (12) and the third connecting steel pipe (13).

4. The adjustable top-return support tripod according to claim 3, characterized in that: The second pin holes (17) on the upper parts of the first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9) are arranged to overlap with the first pin holes (16) of the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4), and bolts are passed through the second pin holes (17) and the first pin holes (16), and the first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9) are fixedly connected to the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) by the bolts.

5. The adjustable top-return support tripod according to claim 4, characterized in that: The second pin holes (17) at the lower parts of the first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9) are arranged to overlap with the third pin holes (18) on the first connecting steel pipe (11), the second connecting steel pipe (12) and the third connecting steel pipe (13), and bolts are passed through the second pin holes (17) and the third pin holes (18), so that the first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9) are fixedly connected to the first connecting steel pipe (11), the second connecting steel pipe (12) and the third connecting steel pipe (13) by means of the bolts.

6. The adjustable top-return support tripod according to claim 5, characterized in that: The upper ends of the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) are ring-shaped, and the upper ends of the first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) are sleeved on the first connecting plate (1).

7. The adjustable top-return support tripod according to claim 6, characterized in that: The first connection disk (1), the second connection disk (6) and the third connection disk (10) are all annular in shape; the first connection disk (1) and the second connection disk (6) are of equal size, and the third connection disk (10) is larger than the first connection disk (1) and the second connection disk (6).

8. The adjustable top-return support tripod according to claim 7, characterized in that: The first tripod leg (2), the second tripod leg (3) and the third tripod leg (4) are all spaced at equal distances; The first connecting steel rod (7), the second connecting steel rod (8) and the third connecting steel rod (9) are spaced at equal distances; The first connecting steel pipe (11), the second connecting steel pipe (12) and the third connecting steel pipe (13) are spaced at equal distances; The three support legs (14) arranged below the base are spaced at equal distances.

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