Reaction frame for pull-out test of side slope anchor rod

Abstract

The utility model discloses a slope anchor rod pull-out test counter-force frame which comprises a front bottom counter-force plate, a front top counter-force plate, a rear bottom counter-force plate and a rear top counter-force plate, the bottom side of the front bottom counter-force plate is hinged to the bottom side of the rear bottom counter-force plate, the front top counter-force plate is spliced on the front bottom counter-force plate, and the rear top counter-force plate is spliced on the rear bottom counter-force plate. The rear top counter-force plate is spliced on the rear bottom counter-force plate, and the splicing position between the front bottom counter-force plate and the front top counter-force plate and the splicing position between the rear bottom counter-force plate and the rear top counter-force plate are respectively provided with an installation hole for an anchor rod to penetrate through. A first adjusting screw rod is connected between the front bottom counter-force plate and the rear bottom counter-force plate, and a second adjusting screw rod is connected between the front top counter-force plate and the rear top counter-force plate. The device is time-saving, labor-saving, simple and convenient to disassemble and assemble, high in applicability and capable of realizing modular assembly type installation.

Description

TECHNICAL FIELD

[0001] The utility model relates to geotechnical engineering test, detection technical field, specifically a slope anchor rod anti -pulling test reaction frame. BACKGROUND

[0002] Anchor rod anti -pulling test is used for the evaluation anchor rod in the geotechnical body anti -pulling performance field test method, mainly used for verifying the design parameter and construction quality of anchor rod, determine the anti -pulling bearing capacity of anchor rod, verify the bonding performance of anchor rod and geotechnical body. In the slope anchor rod anti -pulling test, mainly use to pass through the equipment such as cross head jack and reaction frame, when using, need to be from the anchor rod outer end sleeve on the anchor rod, reaction frame is fixed again. Then the existing reaction frame area is big, lead to the overall weight of reaction frame is big, and because the exposed length of anchor rod is as long as 1.5 meters, install reaction frame, manually lift the overall weight of reaction frame very high again sleeve on anchor rod, need to spend very big force, and the slope environment installation construction has the security risk, in addition, when carrying out anchor rod anti -pulling test, in order to ensure that the pulling force is along the anchor rod axis, avoid the angle deviation and lead to uneven stress, influence data accuracy, require the angle between the cross head jack axis and the slope surface to be 90 °, but the angle between anchor rod and slope surface is not all 90 ° and different slope angle is different, so that the slope anchor rod anti -pulling test needs to customize reaction frame according to the angle of each project slope surface, otherwise it is difficult to adapt to different angle slope, customize reaction frame applicability is lower. CONTENT OF UTILITY MODEL

[0003] The utility model aims at overcoming the above-mentioned prior art's shortcomings, providing a slope anchor rod anti -pulling test reaction frame that saves time and effort, is easy to disassemble and assemble, has high applicability and is modularly assembled.

[0004] The utility model is through following technical scheme to realize: a slope anchor rod anti -pulling test reaction frame, including front bottom reaction plate, front top reaction plate, rear bottom reaction plate, rear top reaction plate, the bottom side of front bottom reaction plate and the bottom side of rear bottom reaction plate are hinged to each other, the front top reaction plate is spliced on the front bottom reaction plate, the rear top reaction plate is spliced on the rear bottom reaction plate, the splicing place between front bottom reaction plate and front top reaction plate and the splicing place between rear bottom reaction plate and rear top reaction plate are equipped with the mounting hole for the anchor rod to pass through respectively, first adjusting screw rod is connected between front bottom reaction plate and rear bottom reaction plate, second adjusting screw rod is connected between front top reaction plate and rear top reaction plate.

[0005] Further, the splicing place of front bottom reaction plate is provided with front splice joint, the splicing place of front top reaction plate is provided with front splice slot, the front bottom reaction plate and the front top reaction plate are spliced and fixed through the mutual clamping of front splice joint and front splice slot and the fixing of pin.

[0006] Further, the joint of the rear bottom reaction plate is provided with a rear joint groove, and the joint of the rear top reaction plate is provided with a rear joint head, the rear bottom reaction plate and the rear top reaction plate are fixed and spliced through the mutual clamping of the rear joint head and the rear joint groove and the fixing through a pin.

[0007] Further, the first hidden beam and the second hidden beam are further included, the first hidden beam is arranged on the front top reaction plate and the rear top reaction plate respectively, the second hidden beam is arranged on the front bottom reaction plate and the rear bottom reaction plate respectively, and the first hidden beam is inserted into the second hidden beam when the front top reaction plate and the front bottom reaction plate are spliced or the rear top reaction plate and the rear bottom reaction plate are spliced.

[0008] Further, the bottom side of the front bottom reaction plate is provided with a front hinged barrel, and the bottom side of the rear bottom reaction plate is provided with a rear hinged barrel, and the front hinged barrel and the rear hinged barrel are connected through a pin shaft.

[0009] Further, the first adjusting screw and the second adjusting screw are each provided with two, and the two first adjusting screws and the two second adjusting screws are distributed on both sides of the anchor rod.

[0010] Further, the front bottom adjusting hole is arranged on the front bottom reaction plate, the rear bottom adjusting hole is arranged on the rear bottom reaction plate, the two ends of the first adjusting screw are respectively arranged in the front bottom adjusting hole and the rear bottom adjusting hole and locked through a nut, the front top adjusting hole is arranged on the front top reaction plate, the rear top adjusting hole is arranged on the rear top reaction plate, and the two ends of the second adjusting screw are respectively arranged in the front top adjusting hole and the rear top adjusting hole and locked through a nut.

[0011] Further, the front bottom adjusting hole, the rear bottom adjusting hole, the front top adjusting hole and the rear top adjusting hole are respectively long circular holes.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1.The counterforce frame of the utility model is composed of a front bottom counterforce plate, a front top counterforce plate, a rear bottom counterforce plate and a rear top counterforce plate. When the counterforce frame is installed, the rear bottom counterforce plate is first installed and fixed on the slope surface, then the rear top counterforce plate is spliced on the rear bottom counterforce plate, and the rear top counterforce plate is installed and fixed on the slope surface. At this time, the mounting holes at the splicing positions of the rear bottom counterforce plate and the rear top counterforce plate are clamped on the outer periphery of the anchor rod. Then, the bottom side of the front bottom counterforce plate and the bottom side of the rear bottom counterforce plate are hingedly connected to each other. Finally, the front top counterforce plate is spliced on the front bottom counterforce plate. At this time, the mounting holes at the splicing positions of the front bottom counterforce plate and the front top counterforce plate are clamped on the outer periphery of the anchor rod. Thus, the modular installation of the counterforce frame is realized. Compared with the traditional integral counterforce frame, the counterforce frame is spliced in blocks, which can reduce the installation weight. In addition, the splicing assembly type installation is adopted, so that the counterforce frame does not need to be lifted to be sleeved on the top end of the anchor rod, which saves labor, reduces the installation difficulty and improves the safety of the installation operation.

[0014] 2.A first adjusting screw is connected between the front bottom counterforce plate and the rear bottom counterforce plate, and a second adjusting screw is connected between the front top counterforce plate and the rear top counterforce plate. When the included angle between the anchor rod and the slope surface is not 90°, the included angle between the through-hole jack and the slope surface can be adjusted by adjusting the first adjusting screw and the second adjusting screw, so that the pulling direction of the through-hole jack for the anti-pulling test is along the axial direction of the anchor rod. Thus, the counterforce frame of the utility model can adapt to various included angles, has high applicability and simple structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure of the utility model is shown in the figure. Figure One ;

[0016] Figure 2 The structure of the front bottom counterforce plate of the utility model is shown in the figure.

[0017] Figure 3 The structure of the front top counterforce plate of the utility model is shown in the figure.

[0018] Figure 4 The structure of the rear bottom counterforce plate of the utility model is shown in the figure.

[0019] Figure 5 The structure of the rear top counterforce plate of the utility model is shown in the figure.

[0020] Figure 6 The structure of the utility model is shown in the figure.

[0021] Figure 7 The structure of the utility model is shown in the figure. Figure Two .

[0022] Explanation of reference signs: 1-front bottom reaction plate, 2-front top reaction plate, 3-rear bottom reaction plate, 4-rear top reaction plate, 5-mounting hole, 6-first adjusting screw, 7-second adjusting screw, 8-front splice joint, 9-front splice groove, 10-rear splice groove, 11-rear splice joint, 12-first hidden beam, 13-second hidden beam, 14-front hinged tube, 15-rear hinged tube, 16-pin shaft, 17-front bottom adjusting hole, 18-rear bottom adjusting hole, 19-front top adjusting hole, 20-rear top adjusting hole, 21-anchor rod, 22-cross-jack, 23-slope. DETAILED DESCRIPTION

[0023] Figures 1 to 7 The embodiment structure schematic diagram of the slope anchor rod uplift test reaction frame provided by the utility model comprises a front bottom reaction plate 1, a front top reaction plate 2, a rear bottom reaction plate 3 and a rear top reaction plate 4, the bottom side of the front bottom reaction plate 1 and the bottom side of the rear bottom reaction plate 3 are hinged to each other, the front top reaction plate 2 is spliced on the front bottom reaction plate 1, the rear top reaction plate 4 is spliced on the rear bottom reaction plate 3, the splicing positions between the front bottom reaction plate 1 and the front top reaction plate 2 and between the rear bottom reaction plate 3 and the rear top reaction plate 4 are respectively provided with mounting holes 5 for the anchor rod 21 or the cross-jack 22 to pass through, the first adjusting screw 6 is connected between the front bottom reaction plate 1 and the rear bottom reaction plate 3, and the second adjusting screw 7 is connected between the front top reaction plate 2 and the rear top reaction plate 4.

[0024] The splicing position of the front bottom reaction plate 1 is provided with the front splice joint 8, the splicing position of the front top reaction plate 2 is provided with the front splice groove 9, the front bottom reaction plate 1 and the front top reaction plate 2 are spliced and fixed by the front splice joint 8 and the front splice groove 9 being clamped to each other and being fixed by a pin.

[0025] In the embodiment, the positions of the front splice joint 8 and the front splice groove 9 can be interchanged, that is, the front splice groove 9 is arranged at the splicing position of the front bottom reaction plate 1 and the front splice joint 8 is arranged at the splicing position of the front top reaction plate 2.

[0026] The splicing position of the rear bottom reaction plate 3 is provided with the rear splice groove 10, the splicing position of the rear top reaction plate 4 is provided with the rear splice joint 11, the rear bottom reaction plate 3 and the rear top reaction plate 4 are spliced and fixed by the rear splice joint 11 and the rear splice groove 10 being clamped to each other and being fixed by a pin.

[0027] In the embodiment, the positions of the rear splice groove 10 and the rear splice joint 11 can be interchanged, that is, the rear splice joint 11 is arranged at the splicing position of the rear bottom reaction plate 3 and the rear splice groove 10 is arranged at the splicing position of the rear top reaction plate 4.

[0028] The first hidden beam 12 and the second hidden beam 13 are further included, the first hidden beam 12 is arranged on the front top reaction plate 2 and the rear top reaction plate 4 respectively, the second hidden beam 13 is arranged on the front bottom reaction plate 1 and the rear bottom reaction plate 3 respectively, and when the front top reaction plate 2 and the front bottom reaction plate 1 are spliced or the rear top reaction plate 4 and the rear bottom reaction plate 3 are spliced, the first hidden beam 12 is inserted into the second hidden beam 13.

[0029] The insertion part of the second hidden beam 13 and the first hidden beam 12 is a hollow structure, and the aperture of the second hidden beam 13 is larger than the outer diameter of the insertion part of the first hidden beam 12.

[0030] Through the first hidden beam 12 and the second hidden beam 13, the splicing strength between the front bottom reaction plate 1 and the front top reaction plate 2 and the splicing strength between the rear bottom reaction plate 3 and the rear top reaction plate 4 can be improved.

[0031] The bottom side of the front bottom reaction plate 1 is provided with a front hinge barrel 14, the bottom side of the rear bottom reaction plate 3 is provided with a rear hinge barrel 15, and the front hinge barrel 14 and the rear hinge barrel 15 are connected through a pin shaft 16.

[0032] The first adjusting screw 6 and the second adjusting screw 7 are each provided with two, and the two first adjusting screws 6 and the two second adjusting screws 7 are distributed on both sides of the anchor rod 21.

[0033] The front bottom adjusting hole 17 is arranged on the front bottom reaction plate 1, the rear bottom adjusting hole 18 is arranged on the rear bottom reaction plate 3, the two ends of the first adjusting screw 6 are respectively arranged in the front bottom adjusting hole 17 and the rear bottom adjusting hole 18 and locked through a nut, the front top adjusting hole 19 is arranged on the front top reaction plate 2, the rear top adjusting hole 20 is arranged on the rear top reaction plate 4, and the two ends of the second adjusting screw 7 are respectively arranged in the front top adjusting hole 19 and the rear top adjusting hole 20 and locked through a nut.

[0034] The front bottom adjusting hole 17, the rear bottom adjusting hole 18, the front top adjusting hole 19 and the rear top adjusting hole 20 are respectively long circular holes.

[0035] The utility model discloses when using, rear bottom reaction plate 3 installs fixed on the slope 23 slope surface, and make rear bottom reaction plate 3 splicing place's mounting hole 5 card in the outer circumferential bottom side of anchor rod 21, the rear splicing joint 11 on rear top reaction plate 4 is connected in the rear splicing groove 10 of rear bottom reaction plate 3, with pin the rear splicing joint 11 and rear splicing groove 10 are fixed with each other, and make rear top reaction plate 4 splicing place's mounting hole 5 card in the outer circumferential top side of anchor rod 21, simultaneously rear top reaction plate 4 is fixed on the slope 23 slope surface, passes through the rear hinged cylinder 15 of rear bottom reaction plate 3 and the front hinged cylinder 14 of front bottom reaction plate 1 with pin shaft 16, the front bottom reaction plate 1 and rear bottom reaction plate 3 are hinged with each other, and make front bottom reaction plate 1 splicing place's mounting hole 5 card in the outer circumferential bottom side of anchor rod 21, installs the both ends of first adjusting screw 6 in front bottom adjusting hole 17 and rear bottom adjusting hole 18 to with first adjusting screw 6 is connected between front bottom reaction plate 1 and rear bottom reaction plate 3, the front splicing groove 9 of front top reaction plate 2 splicing place is connected on the front splicing head 8 of front bottom reaction plate 1 splicing place, and with pin the front splicing groove 9 and front splicing head 8 are fixed with each other, and make front top reaction plate 2 splicing place's mounting hole 5 card in the outer circumferential top side of anchor rod 21, installs the both ends of second adjusting screw 7 in front top adjusting hole 19 and rear top adjusting hole 20 to with second adjusting screw 7 is connected between front top reaction plate 2 and rear top reaction plate 4, through adjusting first adjusting screw 6 and second adjusting screw 7, make the through -type jack 22 axis and anchor rod 21 axis direction consistent, to complete the installation of reaction frame.

[0036] The above detailed description is directed to the specific description of the feasible embodiment of the utility model, and the embodiment is not used to limit the patent range of the utility model, and any equivalent implementation or change, which does not deviate from the utility model, should be included in the patent range of the case.

Claims

1. A reaction frame for a slope anchor uplift test, characterized in that: The front bottom reaction plate and the front top reaction plate are spliced and fixed through the front splicing head and the front splicing groove.

2. The reaction frame for the uplift test of the slope anchor rod according to claim 1, characterized in that: The rear bottom reaction plate and the rear top reaction plate are spliced and fixed through the rear splicing head and the rear splicing groove.

3. The reaction frame for the uplift test of the slope anchor rod according to claim 1, characterized in that: The first dark beam and the second dark beam are further included, the first dark beam is arranged on the front top reaction plate and the rear top reaction plate respectively, the second dark beam is arranged on the front bottom reaction plate and the rear bottom reaction plate respectively, and the first dark beam is inserted into the second dark beam when the front top reaction plate and the front bottom reaction plate are spliced or the rear top reaction plate and the rear bottom reaction plate are spliced.

4. The reaction frame for pull-out test of slope anchor according to any one of claims 2 or 3, characterized in that: The bottom side of the front bottom reaction plate is provided with a front hinge barrel, and the bottom side of the rear bottom reaction plate is provided with a rear hinge barrel.

5. The reaction frame for the uplift test of the slope anchor rod according to claim 4, characterized in that: The first adjusting screw and the second adjusting screw are each provided with two, and the two first adjusting screws and the two second adjusting screws are distributed on both sides of the anchor rod.

6. The reaction frame for uplift test of slope anchor rod according to claim 5, characterized in that: The front bottom adjusting hole and the rear bottom adjusting hole are respectively long circular holes.

7. The reaction frame for pullout test of slope anchor according to claim 6, characterized in that: ​ 8. The reaction frame for the uplift test of the slope anchor rod according to claim 7, characterized in that: ​

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