Testing equipment applied to anchor rod

Abstract

The utility model discloses testing equipment applied to an anchor rod. The testing equipment comprises an underframe platform, a lifting assembly, a rear rock-soil box assembly and a front rock-soil box assembly, the lifting assembly is installed on the front side of the underframe platform and used for adjusting the stress direction of the anchor rod. The rear rock-soil box assembly is mounted on the rear side of the underframe platform; the front rock-soil box assembly is installed in the middle of the lifting assembly. The lifting assembly comprises a lifting platform, a front drawing support and a rear drawing support are installed on the front side and the rear side of the lifting platform, a first guide rail is arranged between the front drawing support and the rear drawing support, the first guide rail is installed on the lifting platform, and a drawing oil cylinder is installed on the front drawing support. And the lifting platform is mounted on the underframe platform through a lifting oil cylinder. Rock-soil layers under different pressures can be simulated in the front and rear rock-soil boxes disclosed by the utility model, the pressures can be controlled in different regions, the pressure data can be immediately visible, the rock-soil environment can be simulated, and the change of the stress condition of the anchor rod in the natural environment can be simulated through the lifting of the lifting platform.

Description

TECHNICAL FIELD

[0001] The utility model belongs to technical field especially relates to a kind of test equipment applied to anchor rod. BACKGROUND

[0002] Anchor rod is a supporting structure widely used in civil engineering, mainly through drilling, inserting anchor rod and grouting, etc., anchor rod is closely combined with rock mass or soil, so as to play multiple roles. Anchor rod plays multiple roles such as reinforcing rock mass, bearing tension, controlling deformation and improving shear strength, and is widely used in civil engineering such as slope, foundation pit and tunnel, which significantly improves the stability and safety of structure. Its strong adaptability and high economic efficiency make it an indispensable supporting means in modern engineering. However, in actual construction, how to test the bonding force limit of anchor rod under anchoring condition and surrounding rock and soil becomes a technical problem to be solved. INVENTION CONTENTS

[0003] The utility model provides a kind of test equipment applied to anchor rod, to solve the above-mentioned problems.

[0004] The utility model is realized in this way, a kind of test equipment applied to anchor rod, comprising:

[0005] Chassis platform;

[0006] Lifting assembly, installed in the front side of the chassis platform, for adjusting the stress direction of anchor rod;

[0007] Rear rock-soil box assembly, installed in the rear side of the chassis platform;

[0008] Front rock-soil box assembly, installed in the middle position of the lifting assembly.

[0009] Further, the lifting assembly includes lifting platform, front pull-out support and rear pull-out support are installed on the front and rear sides of the lifting platform, guide rail one is arranged between the front pull-out support and the rear pull-out support, the guide rail one is installed on the lifting platform, and pull-out oil cylinder is installed on the front pull-out support.

[0010] Further, the lifting platform is installed on the chassis platform by lifting oil cylinder.

[0011] Further, the front rock-soil box assembly includes front loading rack, the front loading rack bottom is installed on guide rail one;Front rock-soil box is arranged in the middle of the front loading rack, front down structure is arranged on the top of the front loading rack, the front down structure includes front upper mounting plate located on the top and front down plate located on the bottom, front down oil cylinder is arranged on the front upper mounting plate, the output end of the front down oil cylinder is connected with front down plate, and a plurality of front linear guides are installed between the front upper mounting plate and the front down plate.

[0012] Further, the rear rock-soil box assembly comprises a rear loading frame, a rear rock-soil box and a cushion block, the rear loading frame is fixed on the chassis platform, the rear rock-soil box is arranged in the rear loading frame and is connected with the chassis platform through the cushion block; a rear downward pressing structure is arranged on the top of the rear loading frame, the rear downward pressing structure comprises a rear upper mounting plate on the top and a rear downward pressing plate on the bottom, a rear downward pressing oil cylinder is arranged on the rear upper mounting plate, the output end of the rear downward pressing oil cylinder is connected with the rear downward pressing plate, and a plurality of rear linear guide rails are arranged between the rear upper mounting plate and the rear downward pressing plate.

[0013] Further, the rear loading frame is provided with a connecting plate on the side close to the front loading frame, a guide rail two is arranged on the connecting plate, and the rear pulling support is in sliding fit with the guide rail two.

[0014] Compared with the prior art, the device can simulate different rock-soil layers under different pressures, can control the pressure in different areas, and can visualize the pressure data in real time, so that the rock-soil environment can be simulated, the change of the stress condition of the anchor rod under the natural environment can be simulated through the lifting of the lifting platform, the combination limit of the anchor rod and the surrounding rock-soil under the anchoring condition can be tested, and data reference is left for the subsequent use of the anchor rod. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Fig. 2 It is a front view schematic view of the utility model;

[0017] In the drawing: 1-chassis platform; 2-rear loading frame; 3-rear rock-soil box; 4-rear downward pressing structure; 5-front downward pressing structure; 6-front rock-soil box; 7-front loading frame; 8-lifting platform; 9-front pulling support; 10-guide rail one; 11-rear pulling support; 12-guide rail two; 13-cushion block. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0019] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, "a plurality of" means two or more, unless otherwise specifically limited.

[0020] Please refer to Figs. 1-2 The utility model provides a technical scheme: a testing device applied to anchor rod, include: undercarriage platform 1, lifting assembly, rear geotechnical box 3 subassembly and front geotechnological box 6 subassembly.

[0021] Lifting assembly is installed in undercarriage platform 1 front side, for adjusting the stress direction of anchor rod, rear geotechnical box 3 subassembly is installed in undercarriage platform 1 rear side, and front geotechnological box 6 subassembly is installed in the intermediate position of lifting assembly.

[0022] Lifting assembly includes lifting platform 8, and front pull support 9 and rear pull support 11 are installed on the front and rear sides of lifting platform 8, guide rail no. 10 is arranged between front pull support 9 and rear pull support 11, guide rail no. 10 is installed on lifting platform 8, and pull cylinder is installed on front pull support 9. Lifting platform 8 is installed on undercarriage platform 1 through lifting cylinder.

[0023] Front geotechnological box 6 subassembly includes front loading rack 7, and front loading rack 7 bottom is installed on guide rail no. 10, front geotechnical box 6 is arranged in the middle of front loading rack 7, front lower pressing structure 5 is arranged on the top of front loading rack 7, front lower pressing structure 5 includes front upper mounting plate located on the top and front lower pressing plate located on the bottom, front lower pressing cylinder is arranged on front upper mounting plate, the output end of front lower pressing cylinder is connected with front lower pressing plate, and a plurality of front linear guides are installed between front upper mounting plate and front lower pressing plate.

[0024] Rear geotechnical box 3 subassembly includes rear loading rack 2, rear geotechnical box 3 and cushion block 13, rear loading rack 2 is fixed on undercarriage platform 1, rear geotechnical box 3 is arranged in rear loading rack 2 and is connected with undercarriage platform 1 through cushion block 13, rear lower pressing structure 4 is arranged on the top of rear loading rack 2, rear lower pressing structure 4 includes rear upper mounting plate located on the top and rear lower pressing plate located on the bottom, rear lower pressing cylinder is arranged on rear upper mounting plate, the output end of rear lower pressing cylinder is connected with rear lower pressing plate, and a plurality of rear linear guides are installed between rear upper mounting plate and rear lower pressing plate.

[0025] The rear loading frame 2 is provided with a connecting plate on one side close to the front loading frame 7, the connecting plate is provided with a guide rail two 12, and the rear pulling support 11 is in sliding fit with the guide rail two 12.

[0026] The upper mounting plate of the front and rear pressing structure 4 is mounted on the top of the front and rear loading frame 2, is connected with the pressing plate by a single or multiple pressing oil cylinders, and is provided with multiple linear guide rails in the middle, and the pressing plate is driven by the oil cylinder to move up and down.

[0027] The front and rear rock-soil boxes 3 are placed into rock-soil, the rock-soil is compacted by the front and rear pressing structure 4 to reach the required pressure, and anchoring is performed through the front and rear rock-soil boxes 3 according to the anchoring process.

[0028] After the front and rear pressing oil cylinders are started, the force generated by the front pressing structure 5 is borne by the front loading frame 7, the force generated by the rear pressing structure 4 is borne by the rear loading frame 2 and the cushion block 13 respectively, and finally the force is borne by the chassis platform 1.

[0029] The pulling oil cylinder is started, the front rock-soil box 6 assembly is pulled to the left, the anchoring force of the anchoring rod and the rock-soil of the front rock-soil box 6 provides a reverse pulling force, the pulling force is displayed on the pulling oil cylinder in real time, and the anchoring force of the anchoring rod and the rear rock-soil box 3 reaches balance with the pulling force provided by the front rock-soil box 6.

[0030] The rear rock-soil box 3 does not have direct contact with the rear loading frame 2, after being subjected to the left pulling force of the anchoring rod, the rear rock-soil box 3 is matched with the rear pulling support 11 through the left guide rail two 12, and the support force provided by the rear pulling support 11 is used to offset the left pulling force of the anchoring rod.

[0031] The pulling force generated by the pulling oil cylinder can be approximately understood as being borne by the front and rear pulling supports 11 and finally being borne by the lifting platform 8.

[0032] When the pulling force of the pulling oil cylinder on the rock-soil box exceeds the limit of the anchoring force of the anchoring rod and the rock-soil layer, the anchoring rod and the rock-soil layer are separated, the front rock-soil box 6 assembly is displaced and moves to the left on the lifting platform 8, and the pulling force sensor monitors the critical pulling force data in real time to achieve the test purpose.

[0033] The lifting of the lifting platform 8 simulates the change of the stress direction of the anchoring rod caused by unexpected situations in nature, and this process can be added to the above process at any time according to requirements.

[0034] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A testing device for application to an anchor rod, characterized in that, The utility model relates to a rock soil anchor pulling machine, which comprises the following parts: a chassis platform; a lifting assembly installed on the front side of the chassis platform for adjusting the stress direction of the anchor rod; a rear rock soil box assembly installed on the rear side of the chassis platform; a front rock soil box assembly installed in the middle of the lifting assembly.

2. A testing device for an anchor rod according to claim 1, characterized in that: The lifting assembly comprises a lifting platform, front and rear pulling supports installed on the front and rear sides of the lifting platform, a guide rail I arranged between the front and rear pulling supports, the guide rail I being installed on the lifting platform, and a pulling oil cylinder installed on the front pulling support.

3. A testing device for an anchor rod as claimed in claim 2, characterized in that: The lifting platform is installed on the chassis platform through a lifting oil cylinder.

4. A testing device for an anchor rod as claimed in claim 3, characterized in that: The front rock soil box assembly comprises a front loading frame, the bottom of the front loading frame being installed on the guide rail I, a front rock soil box arranged in the middle of the front loading frame, a front down-pressing structure arranged on the top of the front loading frame, the front down-pressing structure comprising a front upper mounting plate arranged on the top and a front down-pressing plate arranged on the bottom, a front down-pressing oil cylinder arranged on the front upper mounting plate, the output end of the front down-pressing oil cylinder being connected to the front down-pressing plate, and a plurality of front linear guide rails being installed between the front upper mounting plate and the front down-pressing plate.

5. A testing device for an anchor rod as claimed in claim 4, characterized in that: The rear rock soil box assembly comprises a rear loading frame, a rear rock soil box, and a cushion block, the rear loading frame being fixed on the chassis platform, the rear rock soil box being arranged in the rear loading frame and connected to the chassis platform through the cushion block, a rear down-pressing structure arranged on the top of the rear loading frame, the rear down-pressing structure comprising a rear upper mounting plate arranged on the top and a rear down-pressing plate arranged on the bottom, a rear down-pressing oil cylinder arranged on the rear upper mounting plate, the output end of the rear down-pressing oil cylinder being connected to the rear down-pressing plate, and a plurality of rear linear guide rails being installed between the rear upper mounting plate and the rear down-pressing plate.

6. A testing device for an anchor rod according to claim 5, characterized in that: The side of the rear loading frame close to the front loading frame is provided with a connecting plate, the connecting plate is provided with a guide rail II, and the rear pulling support is in sliding fit with the guide rail II.

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