Simple drawing test device for photovoltaic spiral steel pile

Abstract

The utility model belongs to the technical field of power station engineering, and particularly relates to a photovoltaic spiral steel pile drawing simple test device which comprises a base and a support, the support is installed on the base, a drawing instrument is detachably connected to the upper portion of the support, the drawing end of the drawing instrument penetrates through the support, the drawing instrument is used for drawing a steel pile, and the steel pile is located in the base. The periphery of the steel pile is detachably connected with a clamping ring, the clamping ring is detachably connected with the end of the drawing instrument through a steel wire rope, and a displacement detection mechanism is arranged on the base. Compared with the prior art, the steel pile pull-out test device is simple in structure, not only can realize a pull-out test on a steel pile, but also can be directly assembled on site to avoid the situation that the pull-out test device is pre-checked in advance and reduce the manufacturing cost, and can adjust the position of the cross arm to enable the pointer end part of the dial indicator to be flush with the upper surface of the steel pile; and the displacement change of the steel pile in the drawing process can be detected.

Description

Technical Field

[0001] The utility model belongs to the technical field of power station engineering, and specifically relates to a simple photovoltaic spiral steel pile pulling test device. Background Art

[0002] At present, courtyard photovoltaics is one of the types of distributed photovoltaic power generation implementation arrangements. It is suitable for users with small roof areas that are not suitable for installing rooftop photovoltaics, or users with large yards. The installation is to raise the photovoltaic panels above the courtyard, which is equivalent to a sunshade, providing shade and shelter from rain in summer, and windproof and warmth in winter.

[0003] The foundation used to fix the component structure bracket is usually designed in the form of cast-in-place piles, spiral steel piles, etc. The spiral steel piles are generally prefabricated in the factory, with high on-site construction efficiency and no impact on the environment, which is more easily accepted by people. The theoretical bearing capacity of the spiral steel pile must be tested during actual engineering construction to ensure the safety of the bracket structure. However, the existing pull-out test device is complex to prefabricate and has high production costs. Utility Model Content

[0004] In view of the above-mentioned problems, the utility model provides a simple photovoltaic spiral steel pile pulling test device.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a simple photovoltaic spiral steel pile pulling test device, comprising a base and a bracket, the bracket is installed on the base, a pulling instrument is detachably connected to the top of the bracket, the pulling end of the pulling instrument passes through the bracket, the pulling instrument is used for pulling steel piles, the steel pile is located in the base, the outer periphery of the steel pile is detachably connected to a clamping ring, the clamping ring is detachably connected to the end of the pulling instrument through a steel wire rope, and a displacement detection mechanism is arranged on the base.

[0006] Preferably, the displacement detection mechanism includes two pillars and a cross arm, a slide groove is opened on the top of the two pillars, both ends of the cross arm are respectively located in the slide groove of the two pillars, and a fixing part is placed between the two ends of the cross arm and the two pillars; the two pillars are detachably connected or slidably connected on the top of the base; two dial indicators are installed on the top of the cross arm, and the pointer ends of the two dial indicators are on the same horizontal line with the upper surface of the steel pile.

[0007] Preferably, the two pillars are slidably connected to the base, two slide grooves are provided at corresponding positions of the base and the two pillars, and a second fixing member is placed between the pillars and the base.

[0008] Preferably, the side surfaces of both ends of the cross arm are provided with through holes 1, the side surfaces of the support pillar are provided with a plurality of through holes 2, and the fixing member 1 is placed in the through hole 1 and the corresponding through hole 2.

[0009] Preferably, a through hole three is opened on the side of the pillar, a plurality of through holes four are opened on the side of the base, and the fixing member two is placed in the through hole three and the corresponding through hole four.

[0010] Preferably, the first fixing member and the second fixing member are both pins or bolts.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] (1) The utility model places a pull-out instrument on the bracket, and the pull-out instrument cooperates with the steel pile through a steel wire rope and a clamp ring. A displacement detection mechanism is arranged on the base, so as to realize the pull-out test on the steel pile. The pull-out instrument can be directly assembled on site, avoiding the need for pre-examination of the pull-out test device in advance, thereby reducing the manufacturing cost.

[0013] (2) The displacement detection mechanism adopts the two ends of the cross arm to slide in the slide groove 1 in the two pillars respectively. Two dial indicators are installed on the cross arm, and the pointer ends of the two dial indicators are at the same horizontal line with the upper surface of the steel pile. The cross arm drives the dial indicator to slide in the slide groove 1, so as to adjust the position of the cross arm so that the pointer end of the dial indicator is flush with the upper surface of the steel pile, so as to detect the displacement change of the steel pile during the pulling process;

[0014] (3) The support column slides in the second slide groove of the base, so as to adjust the relative position of the support column to the base;

[0015] (4) The utility model has a simple structure. It can not only realize the pull-out test on steel piles, but also can be directly assembled on site, avoiding the need for pre-testing of the pull-out test device and reducing the production cost. It can also adjust the position of the cross arm so that the pointer end of the dial indicator is flush with the upper surface of the steel pile, thereby detecting the displacement change of the steel pile during the pulling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following is a brief introduction to the drawings required for describing the embodiment:

[0017] Figure 1 A front view of the simple photovoltaic spiral steel pile pulling test device provided in Example 1;

[0018] Figure 2 This is the right view of the simple photovoltaic spiral steel pile pulling test device;

[0019] Figure 3 This is a schematic diagram of a simple test device for pulling out photovoltaic spiral steel piles;

[0020] Figure 4 This is a bottom view of a simple photovoltaic spiral steel pile pulling test device;

[0021] Figure 5for Figure 3 Enlarged view of point A in the middle.

[0022] Description of reference numerals:

[0023] 1—base, 2—bracket, 3—pulling instrument, 4—wire rope, 5—pillar, 6—cross arm, 7—fixing part 1, 8—fixing part 2, 9—clamping ring, 10—dial indicator, 11—steel pile. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0026] Example 1

[0027] The following is combined with Figure 1-Figure 5 The utility model is further described as a photovoltaic spiral steel pile pulling simple test device, such as Figure 1-Figure 5 As shown, it includes a base 1 and a bracket 2, the bracket 2 is installed on the base 1, a puller 3 is detachably connected to the top of the bracket 2, the pulling end of the puller 3 passes through the bracket 2, the puller 3 is used for pulling a steel pile 11, the steel pile 11 is located in the base 1, the outer periphery of the steel pile 11 is detachably connected to a clamping ring 9, the clamping ring 9 and the end of the puller 3 are detachably connected by a steel wire rope 4, and a displacement detection mechanism is provided on the base 1.

[0028] like Figure 1-Figure 5 As shown, the displacement detection mechanism includes two pillars 5 and a cross arm 6. A slide groove 1 is opened on the top of the two pillars 5. The two ends of the cross arm 6 are respectively located in the slide groove 1 of the two pillars 5, and fixing parts 7 are placed between the two ends of the cross arm 6 and the two pillars 5. The two pillars 5 can be detachably connected above the base 1.

[0029] like Figure 3 and Figure 5 As shown, two dial indicators 10 are installed above the cross arm 6, and the pointer ends of the two dial indicators 10 are both on the same horizontal line with the upper surface of the steel pile 11.

[0030] like Figure 1-Figure 4 As shown, through holes 1 are provided on the sides of both ends of the cross arm 6, and multiple through holes 2 are provided on the sides of the support 5, and a fixing member 1 7 is placed in the through hole 1 and the corresponding through hole 2.

[0031] In the present invention, the fixing member 7 is a pin or a bolt.

[0032] In the present invention, a portion of the steel pile 11 is located underground, and a portion is located above ground, and the bottom surface of the base 1 is in contact with the ground.

[0033] In the present invention, the base 1 and the bracket 2 are integrated.

[0034] In the utility model, the base 1 is a cube with a middle through hole, and a drawing hole is opened on the top of the bracket 2.

[0035] The working principle of the utility model is as follows: the base 1 is placed on the ground so that the steel pile 11 is located inside the base 1, the staff detachably connects the puller 3 with the bracket 2 so that the pulling end of the puller 3 is located in the pulling hole of the bracket 2, the clamping ring 9 is detachably connected to the outer periphery of the steel pile 11, the clamping ring 9 and the pulling end of the puller 3 are connected by the wire rope 4, the position of the cross arm 6 in the slide groove 1 of the pillar 5 is adjusted so that the pointer end of the dial indicator 10 is in the same horizontal line with the upper surface of the steel pile 11, after adjusting the position of the cross arm 6, the relative position of the cross arm 6 and the pillar 5 is fixed by the fixing piece 7, the puller 3 is turned on to test the steel pile 11, and finally the data of the puller 3 and the dial indicator 10 are recorded.

[0036] Example 2

[0037] The main difference between this embodiment and the first embodiment is that the two pillars 5 are slidably connected to the base 1 , a second slide groove is provided at the corresponding positions of the base 1 and the two pillars 5 , and a second fixing member 8 is placed between the pillars 5 and the base 1 .

[0038] A through hole three is formed on the side of the support 5, and a plurality of through holes four are formed on the side of the base 1. The fixing member 2 8 is placed in the through hole three and the corresponding through hole four.

[0039] In the present invention, the second fixing member 8 is a pin or a bolt.

[0040] Make the support 5 slide in the second slide groove of the base 1, adjust the position of the support 5 in the second slide groove of the base 1, and after the adjustment, place the second fixing member 8 between the support 5 and the base 1, and the second fixing member 8 is used to fix the relative position of the support 5 and the base 1.

[0041] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A photovoltaic spiral steel pile pulling simple test device, comprising a base (1) and a bracket (2), wherein the bracket (2) is mounted on the base (1), and is characterized in that: A pulling instrument (3) is detachably connected to the upper side of the bracket (2), the pulling end of the pulling instrument (3) passes through the bracket (2), the pulling instrument (3) is used to pull a steel pile (11), the steel pile (11) is located in the base (1), a clamping ring (9) is detachably connected to the outer periphery of the steel pile (11), the clamping ring (9) and the end of the pulling instrument (3) are detachably connected via a steel wire rope (4), and a displacement detection mechanism is provided on the base (1); The displacement detection mechanism comprises two pillars (5) and a cross arm (6), a slide groove (1) is provided on the top of each of the two pillars (5), two ends of the cross arm (6) are respectively located in the slide grooves (1) of the two pillars (5), and a fixing piece (7) is respectively placed between the two ends of the cross arm (6) and the two pillars (5); The two pillars (5) are detachably connected or slidably connected to the top of the base (1); two dial indicators (10) are installed on the top of the cross arm (6), and the pointer ends of the two dial indicators (10) are both on the same horizontal line with the upper surface of the steel pile (11).

2. The photovoltaic spiral steel pile pulling simple test device according to claim 1 is characterized in that: The two pillars (5) are slidably connected to the base (1); two slide grooves are provided at corresponding positions of the base (1) and the two pillars (5); and a second fixing member (8) is placed between the pillars (5) and the base (1).

3. The photovoltaic spiral steel pile pulling simple test device according to claim 1 is characterized in that: The side surfaces of both ends of the cross arm (6) are provided with through holes one, the side surfaces of the support (5) are provided with a plurality of through holes two, and the fixing member one (7) is placed in the through hole one and the corresponding through hole two.

4. The photovoltaic spiral steel pile pulling simple test device according to claim 2 is characterized in that: A through hole three is provided on the side of the support (5), a plurality of through holes four are provided on the side of the base (1), and the fixing member two (8) is placed in the through hole three and the corresponding through hole four.

5. The photovoltaic spiral steel pile pulling simple test device according to claim 2 is characterized in that: The fixing member 1 (7) and the fixing member 2 (8) are both pins or bolts.

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