Anchor rod drawing force detection device

Abstract

The utility model discloses an anchor rod drawing force detection device, which is characterized in that a hollow jack is connected with one end of a high-pressure oil pipe through a quick connector, the other end of the high-pressure oil pipe is connected with a three-way connector through a quick connector, and one end, far away from the high-pressure oil pipe, of the three-way connector is connected with an oil storage barrel of a hydraulic manual pump; a base is arranged at the bottom of the hollow jack and provided with a plurality of first internal thread sleeves, adjusting screws are matched with the first internal thread sleeves, supporting legs are arranged at the bottom ends of the adjusting screws, and when the drawing force of the anchor rod is detected, the corresponding supporting legs can be supported on a supporting face on the periphery of the anchor rod through the adjusting screws, and even if the supporting face is damaged and uneven, the anchor rod cannot be damaged. And the vertical drawing of the anchor rod can also be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to anchor rod drawing force detection technical field, concretely is a kind of anchor rod drawing force detection device. BACKGROUND

[0002] Anchor rod drawing force is the drawing force that anchor rod is fixed structure when being used in engineering construction process.Drawn as a kind of engineering material that increases the shear strength and tensile strength of soil or rock, it has important role.

[0003] At present, when the anchor rod drawing force detection device detects drawing force, generally through hollow jack is directly supported on the support surface around anchor rod, and if the support surface around anchor rod has pit, the hollow jack supporting property can be skewed, thereby affecting the detection result, therefore, urgent need for an improved technology to solve the problem existing in prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of anchor rod drawing force detection devices, hollow jack bottom is provided with base, base is provided with several first internal thread sleeve, adjusting screw is cooperated with first internal thread sleeve, adjusting screw bottom end is provided with support foot, when carrying out anchor rod drawing force detection, corresponding support foot is supported on the support surface around anchor rod by adjusting screw, even if support surface is damaged, uneven, also can guarantee the vertical drawing of anchor rod, to solve the problem proposed in above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anchor rod drawing force detection device, including hollow jack, base, adjusting screw, locking assembly, high-pressure oil pipe, three-way joint, hydraulic hand pump and pressure gauge, the bottom of the hollow jack is connected with base, the upper surface of the base is provided with limit ring, the periphery of the limit ring and between base are provided with several reinforcing plates, the bottom of the hollow jack is cooperated with limit ring, the base is provided with several through holes and the upper surface is provided with first internal thread sleeve at each through hole, the first internal thread sleeve is cooperated with adjusting screw, the bottom of the adjusting screw is provided with support foot, the top of the hollow piston in the hollow jack is provided with locking assembly;

[0006] The locking assembly includes connecting sleeve and locking sleeve, one end of the connecting sleeve is connected with the locking sleeve, the connecting sleeve is sleeved with the hollow piston in the hollow jack and is connected by bolt fastening, the barrel wall of the locking sleeve is provided with several through holes and is provided with second internal thread sleeve at the outer end of through hole, the second internal thread sleeve is cooperated with locking screw, the inner end of the locking screw passes through the second internal thread sleeve and is arranged in the locking sleeve inside;

[0007] The hollow jack is connected with one end of a high-pressure oil pipe through a quick connector, the other end of the high-pressure oil pipe is connected with a three-way connector through a quick connector, the three-way connector is connected with an oil storage cylinder of a hydraulic hand pump away from one end of the high-pressure oil pipe, and the three-way connector is also provided with a pressure gauge.

[0008] Preferably, the second inner threaded sleeve is provided with an outer hexagonal head.

[0009] Preferably, the second inner threaded sleeve is provided with an outer hexagonal head.

[0010] Preferably, the second inner threaded sleeve is provided with an outer hexagonal head.

[0011] Preferably, the second inner threaded sleeve is provided with an outer hexagonal head.

[0012] Preferably, the second inner threaded sleeve is provided with an outer hexagonal head.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The hollow jack is connected with one end of a high-pressure oil pipe through a quick connector, the other end of the high-pressure oil pipe is connected with a three-way connector through a quick connector, the three-way connector is connected with an oil storage cylinder of a hydraulic hand pump away from one end of the high-pressure oil pipe, and the three-way connector is also provided with a pressure gauge. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a top view structural schematic view of the utility model at the hollow jack;

[0017] Figure 3 It is a schematic view of the position relationship between the hollow jack machine base and the anchor rod during detection.

[0018] In the diagram: 1. Hollow jack; 2. Base; 3. Adjusting screw; 4. High-pressure oil pipe; 5. Tee connector; 6. Hydraulic manual pump; 7. Pressure gauge; 8. Limit ring; 9. Reinforcing plate; 10. First internal thread sleeve; 11. Support foot; 12. Connecting sleeve; 13. Locking sleeve; 14. Second internal thread sleeve; 15. Locking screw; 16. Handle. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] It should be noted that in the description of this utility model, the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Please see Figures 1-2 This utility model provides a technical solution: an anchor bolt pull-out force detection device, including a hollow jack 1, a base 2, an adjusting screw 3, a locking assembly, a high-pressure oil pipe 4, a three-way connector 5, a hydraulic manual pump 6, and a pressure gauge 7. The bottom of the hollow jack 1 is connected to the base 2, and the bottom end of the hollow jack 1 is fastened to the base 2 by bolts to realize the connection and disassembly of the hollow jack and the base 2. A limit ring 8 is provided on the upper surface of the base 2, and several reinforcing plates 9 are provided around the limit ring 8 and between it and the base 2. The bottom of the hollow jack 1 cooperates with the limit ring 8. The base 2 has several through holes, and the upper surface is located at each through hole. A first internal threaded sleeve 10 is provided at the location, and the first internal threaded sleeve 10 is engaged with the adjusting screw 3. The bottom of the adjusting screw 3 is provided with a support foot 11. One end of the support foot 11 is tapered to prevent slippage after the support foot 11 contacts the support surface. The other end of the support foot 11 is provided with an insertion hole. One end of the adjusting screw 3 is smooth and is inserted into the insertion hole of the support foot 11. The support foot 11 and the adjusting screw 3 are fastened together by bolts to realize the replacement of the support foot 11. The top of the hollow piston inside the hollow jack 1 is provided with a locking component. A handle 16 is provided on one side of the hollow jack 1 to facilitate the removal of the hollow jack 1.

[0022] The locking assembly includes a connecting sleeve 12 and a locking sleeve 13. One end of the connecting sleeve 12 is connected to the locking sleeve 13. The connecting sleeve 12 is sleeved with the hollow piston inside the hollow jack 1 and fastened with bolts. The cylinder wall of the locking sleeve 13 has several through holes and a second internal threaded sleeve 14 is provided at the outer end of the through holes. The second internal threaded sleeve 14 cooperates with the locking screw 15. The inner end of the locking screw 15 passes through the second internal threaded sleeve 14 and is located inside the locking sleeve 13. The axis of the second internal threaded sleeve 14 all points to the center point of the locking sleeve 13, so as to ensure that when the anchor rod passes through the locking sleeve 13, all the locking screws 15 can point to the anchor rod. The end of the adjusting screw 3 away from the support foot 11 and the outer end of the locking screw 15 are provided with external hexagonal heads to facilitate the rotation of the adjusting screw 3 and the locking screw 15.

[0023] Hollow jack 1 is connected to one end of high-pressure oil pipe 4 via a quick connector. The other end of high-pressure oil pipe 4 is connected to tee connector 5 via a quick connector. The end of tee connector 5 away from high-pressure oil pipe 4 is connected to the oil reservoir of hydraulic manual pump 6. A pressure gauge 7 is installed on tee connector 5.

[0024] Usage and Principle: First, insert the bottom of the hollow jack 1 into the base 2. After aligning the holes, tighten the base 2 and the hollow jack 1 together with bolts. Next, pass the adjusting screw 3 through the first internal thread sleeve 10, and then insert the support foot 11 into the bottom of the adjusting screw 3 and tighten it with bolts. Then, connect the locking assembly to the hollow piston of the hollow jack 1 through the connecting sleeve 12 and tighten it with bolts. Finally, connect the high-pressure oil pipe 4 to the tee connector 5 and the hollow jack 1 respectively through quick connectors. The tee connector 5 is also connected to the hydraulic manual pump 6 and the pressure gauge 7. In use, place the hollow piston of the hollow jack 1 over the outside of the anchor rod. Then, adjust each adjusting screw 3 according to the support surface at the anchor rod, so that the support foot 11 of each adjusting screw 3 is supported at the corresponding position on the support surface. Figure 3 As shown, rotate the locking screw 15 to press the end of the locking screw 15 tightly against the anchor rod, completing the connection with the anchor rod. Next, open the one-way valve of the locking hydraulic manual pump 6, press the handle of the hydraulic manual pump 6, and the hollow piston of the hollow jack 1 pushes outward, thereby pulling the anchor rod through the locking assembly. The value of the pressure gauge 7 is used to check whether the anchor rod pull-out force meets the requirements. This utility model has a reasonable structure. The bottom of the hollow jack 1 is provided with a base 2, and the base 2 is provided with several first internal thread sleeves 10. The adjusting screw 3 cooperates with the first internal thread sleeves 10. The bottom end of the adjusting screw 3 is provided with a support foot 11. When the anchor rod pull-out force is tested, the corresponding support foot 11 can be supported on the support surface around the anchor rod by adjusting the screw 3. Even if the support surface is damaged or uneven, the vertical pull-out of the anchor rod can be guaranteed. At the same time, the limiting ring 8 ensures the stability of the connection between the hollow jack 1 and the base 2, and the reinforcing plate 9 ensures the structural strength of the base 2.

[0025] The details not described in the utility model are the known technology of the skilled person in the art.

[0026] Finally, it should be pointed out that the above specific embodiments are only used to illustrate the technical solutions of the utility model and are not limiting. Although the utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified and replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model, and they should all be included in the scope of the claims of the utility model.

Claims

1. An anchor rod pullout force detection device, characterized by: The utility model provides a hollow jack (1), base (2), adjusting screw rod (3), locking assembly, high pressure oil pipe (4), three -way joint (5), hydraulic manual pump (6) and pressure gauge (7), the bottom of hollow jack (1) is linked with base (2), the upper surface of base (2) is provided with limit ring (8), a plurality of reinforcing plates (9) are provided between the periphery of limit ring (8) and base (2), the bottom of hollow jack (1) cooperates with limit ring (8), base (2) is provided with a plurality of through -holes and the upper surface is located each through -hole and is provided with first internal thread sleeve (10), first internal thread sleeve (10) is all with adjusting screw rod (3) cooperation, the bottom of adjusting screw rod (3) is all provided with support foot (11), the top of hollow piston inside hollow jack (1) is provided with locking assembly, The locking assembly includes a connecting sleeve (12) and a locking sleeve (13), one end of the connecting sleeve (12) is connected with the locking sleeve (13), the connecting sleeve (12) is sleeved with the hollow piston inside the hollow jack (1) and is connected by a bolt, the barrel wall of the locking sleeve (13) is provided with a plurality of through holes, and the second internal thread sleeve (14) is arranged at the outer end of the through hole, the second internal thread sleeve (14) is matched with the locking screw rod (15), and the locking screw rod (15) passes through the second internal thread sleeve (14) and is arranged inside the locking sleeve (13). The hollow jack (1) is connected with one end of the high pressure oil pipe (4) through the quick connector, the other end of the high pressure oil pipe (4) is connected with the three-way joint (5) through the quick connector, the three-way joint (5) is connected with the oil storage cylinder of the hydraulic manual pump (6) away from one end of the high pressure oil pipe (4), and the pressure gauge (7) is also installed on the three-way joint (5).

2. The anchor rod pullout force detection device according to claim 1, characterized in that: The center lines of the second internal thread sleeves (14) all point to the center point of the locking sleeve (13).

3. The anchor rod pullout force detection device according to claim 1, characterized in that: One end of the support foot (11) is a conical structure, the other end of the support foot (11) is provided with a insertion hole, one end of the adjusting screw rod (3) is a smooth surface and is inserted into the insertion hole of the support foot (11), and the support foot (11) and the adjusting screw rod (3) are connected by a bolt.

4. The anchor rod pullout force detection device according to claim 1, characterized in that: The bottom end of the hollow jack (1) is connected with the base (2) by a bolt.

5. The anchor rod pullout force detection device according to claim 1, characterized in that: A handle (16) is arranged on one side of the hollow jack (1).

6. The anchor rod pullout force detection device according to claim 1, characterized in that: Hexagonal heads are arranged at the end of the adjusting screw rod (3) away from the support foot (11) and the outer end of the locking screw rod (15).

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