Testing device for measuring bearing performance of plastic anchor bolt

Abstract

The utility model discloses a testing device for measuring the bearing performance of a plastic anchor bolt, and relates to the technical field of plastic anchor bolt performance detection, the testing device comprises a bench clamp, a steel tensile clamp and an anchor bolt, the steel tensile clamp is clamped in the bench clamp and comprises a first side shell and a second side shell, the outer side of the anchor bolt is sleeved with grouting materials, and the grouting materials are arranged in the first side shell and the second side shell. The grouting material is arranged in the first side shell and the second side shell, supporting plates are arranged on the two sides of the outer wall of the bench clamp through connecting assemblies, a supporting ring is jointly and fixedly arranged at the ends of the two supporting plates, the end of the anchor bolt is arranged in the supporting ring, connecting plates are fixedly arranged on one side of the first side shell and one side of the second side shell, and connecting rods are rotationally arranged in the connecting plates in a penetrating mode. And a bottom plate is fixedly arranged at the end parts of the two connecting rods. According to the bench clamp, the steel tensile clamp, the grouting material, the anchor rod and the supporting ring, steps and materials in the anchor bolt testing process are reduced, and meanwhile testing operation convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic anchor bolt performance detection, in particular to a testing device for measuring the bearing performance of a plastic anchor bolt. Background Art

[0002] Plastic anchor bolts, also known as plastic slope protection nails, are a nail-shaped geological anchoring facility. Plastic anchor bolts are used to fix building structures and are mainly used to connect exterior wall insulation systems to base walls. Base walls are mainly made of concrete and masonry materials. In order to ensure that plastic anchor bolts have stable bearing performance, plastic anchor bolts need to be tested. The test method specified in the standard is to use a puller on a test block on a construction site or in a laboratory. However, this test method is relatively cumbersome, and the test block requires a lot of stones, and the test personnel need to spend more time learning, which reduces the efficiency and convenience of the test.

[0003] Therefore, we proposed a test device for measuring the bearing performance of plastic anchors to solve the above problems. Utility Model Content

[0004] In view of the above problems existing in the existing testing device for measuring the bearing performance of plastic anchor bolts, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a testing device for measuring the bearing performance of plastic anchor bolts, which solves the problem that plastic brushes are tested on test blocks on construction sites or in laboratories using a puller, which consumes a lot of materials and is cumbersome to operate.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A test device for measuring the bearing performance of a plastic anchor bolt, comprising a bench vise, a steel tensile fixture and an anchor bolt, wherein the steel tensile fixture is clamped inside the bench vise, the steel tensile fixture comprises a first side shell and a second side shell, a grouting material is sleeved on the outer side of the anchor bolt, the grouting material is arranged inside the first side shell and the second side shell, support plates are arranged on both sides of the outer wall of the bench vise through a connecting assembly, a support ring is fixedly arranged at the ends of the two support plates, and the end of the anchor bolt is arranged inside the support ring;

[0008] A connecting plate is fixedly provided on one side of the first side shell and the second side shell, a connecting rod is rotatably passed through the interior of the connecting plate, and a bottom plate is fixedly provided on the ends of the two connecting rods. A first clamping ring and a second clamping ring are respectively fixedly provided on the other side of the first side shell and the second side shell, and a plug-in limiting mechanism is provided between the first clamping ring and the second clamping ring.

[0009] Preferably, the connecting assembly comprises a connecting bolt, the connecting bolt is threadedly arranged in the supporting plate, and the outer wall of the vise is provided with a thread groove which cooperates with the connecting bolt.

[0010] Preferably, the plug-in limiting mechanism includes two symmetrically arranged clamping plates, a partition is fixedly provided inside the second clamping ring, fixing rods are fixedly provided on both sides of the partition, the clamping plate is slidably provided on the outside of the fixing rod, the other end of the clamping plate passes through the first clamping ring and is clamped on the outside of the first clamping ring, a spring is provided on the rod wall of the fixing rod, and the two ends of the spring are respectively fixedly connected to the partition and the clamping plate.

[0011] Preferably, the two clamping plates are both arranged in an L-shape, and a slope is provided on the outer side of one end away from the second clamping ring.

[0012] Furthermore, the tops of the first side shell and the second side shell are both provided with through holes for the anchor bolts to pass through.

[0013] Preferably, the connecting plate and the connecting rod are rotationally engaged via a bearing.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model reduces the steps and materials in the anchor bolt testing process and improves the convenience of the test operation by providing a bench vise, a steel tensile fixture, a grouting material, an anchor rod and a support ring.

[0016] 2. The utility model, through the first side shell, the second side shell, the connecting plate, the connecting rod, the bottom plate, the first clamping ring, the second clamping ring and the plug-in limiting mechanism, makes it easy to place the columnar grouting material inside the steel tensile fixture, thereby ensuring the stability of the test and facilitating the removal of the anchor bolt after the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view of the steel tensile clamp of the utility model;

[0020] Figure 3 For the utility model Figure 2 An enlarged schematic diagram of part A.

[0021] Description of reference numerals:

[0022] 1. Bench vise; 2. Anchor bolt; 3. First side shell; 4. Second side shell; 5. Grouting material; 6. Support plate; 7. Support ring; 8. Connecting plate; 9. Connecting rod; 10. Bottom plate; 11. First clamping ring; 12. Second clamping ring; 13. Connecting bolt; 14. Clamping plate; 15. Partition plate; 16. Fixing rod; 17. Spring. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a testing device for measuring the bearing performance of a plastic anchor bolt.

[0025] Example 1

[0026] The utility model provides Figure 1-3 A test device for measuring the bearing performance of a plastic anchor bolt shown in the figure comprises a bench vise 1, a steel tensile fixture and an anchor bolt 2, the steel tensile fixture is clamped inside the bench vise 1, the steel tensile fixture comprises a first side shell 3 and a second side shell 4, a grouting material 5 is sleeved on the outer side of the anchor bolt 2, the grouting material 5 is arranged inside the first side shell 3 and the second side shell 4, the tops of the first side shell 3 and the second side shell 4 are both provided with through holes for the anchor bolt 2 to pass through, support plates 6 are provided on both sides of the outer wall of the bench vise 1 through a connecting assembly, the connecting assembly comprises a connecting bolt 13, the connecting bolt 13 is threadedly arranged in the supporting plate 6, the outer wall of the bench vise 1 is provided with a threaded groove connected to the connecting bolt 13, the ends of the two support plates 6 are jointly fixed with a support ring 7, and the end of the anchor bolt 2 is arranged in the support ring 7;

[0027] A connecting plate 8 is fixedly provided on one side of the first side shell 3 and the second side shell 4. A connecting rod 9 is rotatably passed through the inside of the connecting plate 8. The connecting plate 8 and the connecting rod 9 are rotatably fitted together through bearings. A bottom plate 10 is commonly fixedly provided on the ends of the two connecting rods 9. A first snap ring 11 and a second snap ring 12 are respectively fixedly provided on the other sides of the first side shell 3 and the second side shell 4.

[0028] Before testing the bearing capacity of the anchor bolt, a columnar grouting material 5 is cast on the outside of the anchor bolt 2, and the grouting material 5 is placed inside the steel tensile fixture. The steel tensile fixture is then stably clamped by the bench vise 1, and the end of the anchor bolt 2 is supported by the support ring 7. Then, the puller is connected to the end of the anchor bolt 2, and the bearing capacity of the anchor bolt 2 is tested.

[0029] Before the grouting material 5 is placed inside the steel tensile fixture, the first clamping ring 11 and the second clamping ring 12 are separated. At this time, under the rotation cooperation of the link shelf 9, the connecting plate 8 and the bottom plate 10, the first side shell 3 and the second side shell 4 are separated. Then, through the cooperation of the perforations, the grouting material 5 can be sleeved, and the first clamping ring 11 and the second clamping ring 12 can be connected to determine the positions of the anchor bolt 2 and the grouting material 5 to ensure the stability of the anchor bolt 2 during the test.

[0030] Example 2

[0031] Embodiment 2 is based on Embodiment 1 in order to enable the first side shell 3 and the second side shell 4 to be stably connected after the grouting material 5 is located inside the steel tensile fixture, such as Figure 2-3 As shown, a plug-in limit mechanism is provided between the first clamping ring 11 and the second clamping ring 12, and the plug-in limit mechanism includes two symmetrically arranged clamping plates 14, a partition 15 is fixedly provided inside the second clamping ring 12, and fixing rods 16 are fixedly provided on both sides of the partition 15, the clamping plate 14 is slidably provided on the outside of the fixing rod 16, and the other end of the clamping plate 14 passes through the first clamping ring 11 and is clamped on the outside of the first clamping ring 11, the two clamping plates 14 are both L-shaped, and an inclined surface is provided on the outside of one end away from the second clamping ring 12, a spring 17 is provided on the rod wall of the fixing rod 16, and the two ends of the spring 17 are respectively fixedly connected to the partition 15 and the clamping plate 14.

[0032] Before placing the grouting material 5, the two clamps 14 are pressed so that the clamps 14 slide along the fixing rod 16 and squeeze the spring 17. At this time, the two clamps 14 move to the inner middle end of the first clamping ring 11, and then the first clamping ring 11 and the second clamping ring 12 can be separated. After the grouting material 5 is installed, the first side plate 3 is rotated, and the first clamping ring 11 can push the two clamps 14 through the inclined surface at the end of the clamp 14, so that the clamps 14 approach each other and rebound after contacting the first side shell 3 and the second side shell 4, and are clamped on the outside of the first clamping ring 11 to complete the overall connection of the steel tensile clamp.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A test device for measuring the bearing performance of a plastic anchor bolt, comprising a bench vise (1), a steel tensile fixture and an anchor bolt (2), characterized in that: The steel tensile clamp is clamped inside the bench vise (1), and the steel tensile clamp comprises a first side shell (3) and a second side shell (4). The outer side of the anchor bolt (2) is sleeved with a grouting material (5), and the grouting material (5) is arranged inside the first side shell (3) and the second side shell (4). Support plates (6) are arranged on both sides of the outer wall of the bench vise (1) through a connecting assembly. The ends of the two support plates (6) are jointly fixed with a support ring (7), and the end of the anchor bolt (2) is arranged in the support ring (7); A connecting plate (8) is fixedly provided on one side of the first side shell (3) and the second side shell (4), a connecting rod (9) is rotatably passed through the interior of the connecting plate (8), and a bottom plate (10) is fixedly provided at the ends of the two connecting rods (9), and a first clamping ring (11) and a second clamping ring (12) are fixedly provided on the other side of the first side shell (3) and the second side shell (4), respectively, and a plug-in limiting mechanism is provided between the first clamping ring (11) and the second clamping ring (12).

2. The testing device for measuring the bearing performance of plastic anchor bolts according to claim 1, characterized in that: The connection assembly comprises a connection bolt (13), wherein the connection bolt (13) is threadedly arranged in the support plate (6), and the outer wall of the bench vise (1) is provided with a thread groove which is connected to the connection bolt (13).

3. The testing device for measuring the bearing performance of plastic anchor bolts according to claim 1, characterized in that: The plug-in limiting mechanism comprises two symmetrically arranged clamping plates (14); a partition plate (15) is fixedly arranged inside the second clamping ring (12); fixing rods (16) are fixedly arranged on both sides of the partition plate (15); the clamping plate (14) is slidably arranged on the outside of the fixing rod (16); the other end of the clamping plate (14) passes through the first clamping ring (11) and is clamped on the outside of the first clamping ring (11); a spring (17) is sleeved on the rod wall of the fixing rod (16); and the two ends of the spring (17) are respectively fixedly connected to the partition plate (15) and the clamping plate (14).

4. The testing device for measuring the bearing performance of plastic anchor bolts according to claim 3, characterized in that: The two clamping plates (14) are both arranged in an L shape, and an inclined surface is provided on the outer side of one end away from the second clamping ring (12).

5. The testing device for measuring the bearing performance of plastic anchor bolts according to claim 1, characterized in that: The tops of the first side shell (3) and the second side shell (4) are both provided with through holes for the anchor bolts (2) to penetrate.

6. The testing device for measuring the bearing performance of plastic anchor bolts according to claim 1, characterized in that: The connecting plate (8) and the connecting rod (9) are rotationally matched via a bearing.

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