CN209855703U - Complete equipment for implementing foundation in-situ test in existing building - Google Patents

Abstract

The utility model discloses a complete set of equipment for implementing a foundation in-situ test in an existing building, which comprises a base and a stand column arranged on the base, wherein a drilling device vertical to the base is arranged on the stand column; the base is further provided with a hoisting device, the top of the upright post is provided with a pulley device, the pulley device is provided with a plurality of fixed pulleys, two grooves are formed in the circumference of each fixed pulley, a hoisting rope group for hoisting a standard penetration device is arranged in each groove, and one end of each hoisting rope group is connected with a steel wire rope of the hoisting device. The utility model provides a carry out experimental complete sets of ground normal position in existing building is equipped with drilling equipment, pulley gear and hoisting device, and overall structure design is ingenious, and the integrated level is high, has both realized the function of probing access hole, can be used for heavy power sounding or standard penetration test again, has reduced the holistic height of equipment simultaneously effectively, satisfies equipment and uses in the basement environment of low, has improved work efficiency.

Description

Complete equipment for implementing foundation in-situ test in existing building

Technical Field

The utility model relates to a construction technical field, concretely relates to implement ground in situ test's complete sets in existing building.

Background

In the in-situ test of the natural foundation, common methods such as heavy dynamic penetration test, standard penetration test and the like all need to directly use a drilling machine for testing, and the drilling machine is also needed for hole leading under many other in-situ test methods. However, due to the fact that a drilling machine is used in an existing building, due to the fact that space is narrow, a large number of obstacles exist, and the carrying difficulty of conventional test equipment is large, the working efficiency is affected; the existing conventional heavy dynamic sounding and standard penetration test equipment has higher total height and is not suitable for being used in the existing buildings.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of existence among the prior art, the utility model provides a carry out experimental complete sets of ground normal position in existing building collects drilling function and power touch equipment function in an organic whole, has reduced area and use height, has solved conventional test equipment and can not implement the experimental problem of ground normal position in narrow and small space.

The utility model discloses a reach above-mentioned purpose, the technical scheme of adoption as follows:

a complete set of equipment for implementing a foundation in-situ test in an existing building comprises a base and an upright column arranged on the base, wherein a drilling device vertical to the base is arranged on the upright column; the base is further provided with a hoisting device, the top of the upright post is provided with a pulley device, the pulley device is provided with a plurality of fixed pulleys, two grooves are formed in the circumference of each fixed pulley, a hoisting rope group for hoisting a standard penetration device is arranged in each groove, and one end of each hoisting rope group is connected with a steel wire rope of the hoisting device.

Furthermore, the hoisting rope group comprises a hoisting rope and a balance pulley, the hoisting rope bypasses the balance pulley to form two ropes, the two ropes pass through the two grooves of the fixed pulley respectively, the balance pulley is provided with a lifting hook, and the lifting hook is connected with a steel wire rope of the hoisting device.

Further, the drilling device is rotatably connected with the upright post.

Furthermore, the drilling device comprises a drill stand and a drilling machine, the drill stand is arranged on the upright post, a gear chain is arranged on the side wall of the drill stand, and the drilling machine is meshed with the gear chain.

Further, the drilling machine is connected with a drilling tool, and the drilling tool comprises a driving drill rod, a driven drill rod used for entering a drilling hole, a core barrel and a drill bit.

Furthermore, an inclined pull rod is further arranged on the base on one side of the winding device, one end of the inclined pull rod is connected to the middle of the upright post, and the other end of the inclined pull rod is connected to the edge of the base.

Further, the pulley device also comprises a pulley yoke, the pulley yoke is V-shaped, and the fixed pulley is arranged at two free ends of the pulley yoke.

Further, the hoisting device comprises a tower frame arranged on the base and a hoisting machine arranged on the tower frame.

Furthermore, a circular level gauge for detecting the horizontal state of the base is arranged on the base.

Furthermore, a caster wheel is arranged on one side, close to the winding device, of the base.

Compared with the prior art, the utility model, following beneficial technological effect has:

the utility model provides a complete sets that implements ground normal position test in existing building is equipped with drilling equipment, pulley gear and hoisting gear, and overall structure design is ingenious, and the integrated level is high, has both realized the function of probing the access hole, can be used for heavy dynamic sounding or standard penetration test again; furthermore, the utility model discloses change into two rope systems by traditional single rope system, can reduce the holistic height of equipment effectively, satisfy equipment and use in the basement environment of short, improved work efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a plant for performing in-situ tests of a foundation in an existing building according to the present invention;

FIG. 2 is a side view of the present invention in a heavy dynamic penetration test or SPT condition of a plant for performing in situ ground tests in an existing building;

FIG. 3 is a front view of the plant of the present invention for performing in situ tests of a foundation in an existing building;

fig. 4 is a rear view of the plant for performing in situ tests of a foundation in an existing building.

Wherein: 1-a base; 2-upright post; 3-a drilling device; 31-a drill rig frame; 32-a drilling machine; 33-a gear chain; 34-a drilling tool; 4-a hoisting device; 41-a tower; 42-a winch; 5-a pulley arrangement; 51-a pulley yoke; 52-fixed pulley; 6-hoisting rope group; 61-a lift cord; 62-a balance pulley; 63-a hook; 7-weight dropper; 8-diagonal draw bars; 9-caster wheel.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms without departing from the spirit or essential characteristics thereof, and it should be understood that the invention is not limited to the specific embodiments disclosed below.

Example 1

As shown in fig. 1-4, the utility model provides a complete sets of ground normal position test is carried out in existing building, and holistic height is 2.260m, is applicable to and carries out ground normal position test operation in indoor low space. The equipment comprises a base 1 and a stand column 2 arranged on the base 1, wherein a drilling device 3 perpendicular to the base 1 is arranged on the stand column 2 and used for conducting hole leading during testing. The drilling device 3 is rotatably connected to the column 2 such that the drilling device 3 can rotate about the axis of the column 2. The drilling device 3 comprises a drill frame 31 and a drilling machine 32, wherein the drill frame 31 is arranged on the lower half part of the upright post 1, a gear chain 33 is arranged on the side wall of the drill frame 31, the drilling machine 32 is meshed on the gear chain 33, and during operation, the drilling machine 32 moves up and down along the gear chain 33 under the control of a hydraulic operating platform, so that hole guiding operation is realized. The drilling machine 32 is connected with a drilling tool 34, the vertical distance between the drilling tool 34 and the upright post 2 is 45cm, and the drilling tool 34 comprises a driving drill rod, a driven drill rod for entering a drill hole, a core barrel and a drill bit.

The base 1 is further provided with a winding device 4, the winding device 4 comprises a tower 41 arranged on the base 1 and a winding engine 42 arranged on the tower 41, and a steel wire rope is wound on the winding engine 42. The top of the upright post 2 is provided with a pulley device 5, and the pulley device 5 comprises a V-shaped pulley frame 51 and fixed pulleys 52 arranged on two free ends of the pulley frame 51. Two grooves are provided on the circumferential surface of each fixed sheave 52 for carrying a set of hoisting ropes 6 having two ropes. The hoisting rope group 6 is used for connecting the hoisting device 4 to hoist the heavy hammer 7 for heavy dynamic sounding or standard penetration test. Specifically, the hoisting rope set 6 includes a hoisting rope 61 and a balance pulley 62, the hoisting rope 61 passes around the balance pulley 62 to form two ropes, the two ropes are respectively connected with the weight 7 through the rear end portions of the two grooves of the fixed pulley 52, the balance pulley 62 is provided with a hook 63, and the hook 63 is connected with the steel wire rope of the hoisting device 4. The balance pulley 62 has two functions: firstly, the two ropes passing around the fixed pulley 52 keep a fixed distance in the moving process, and the rope is prevented from being disengaged; the second is to convert the two rope forces passing through the fixed sheave 52 into a single rope force entering the hoisting device 4.

Still be equipped with oblique pull rod 8 on the base 1 of hoisting device 4 one side, the middle part at stand 2 is connected to the one end of oblique pull rod 8, and the other end is connected at base 1 edge, and the pull rod is totally two to one side, and hoisting device 4's both sides are located to the symmetry to strengthen whole equipment and stability. And a caster wheel 9 is arranged on one side of the base 1 close to the winding device 4. Be provided with the circular level ware on base 1 for detect base 1's horizontality, in addition, for the ease of transport, base 1 adopts the ballast to fix with ground.

In this embodiment, the main technical parameters of the device are as follows:

implement ground in situ test's complete sets in existing building, its step when implementing heavy dynamic sounding or standard penetration test is as follows:

1) adjusting the drilling device 3 at the detection position, and leveling the base 1;

2) drilling holes by using a drilling tool 34, and loading and unloading drill rods by using a spanner fork and a cushion fork to drill to a test elevation of penetration or penetration;

3) stopping drilling, rotating the drilling machine 32 to the other side, connecting the hook 63 on the balance pulley 62 by using a single steel wire rope of the winch 42, dividing the lifting rope 61 into two ropes through the balance pulley 62, and directly hanging the two circular rings on the heavy hammer 7 by the two ropes through the grooves of the fixed pulley 52 on the pulley frame 51 respectively;

4) placing a probe and a feeler lever in the drill hole, driving the heavy hammer 7 to lift through the rotation of the winch 42, automatically dropping the heavy hammer 7 after the heavy hammer is lifted to 50cm, and implementing dynamic sounding or a standard penetration test;

5) and (3) after the power penetration test or the standard penetration test is finished, detaching the probe, the feeler lever and the heavy hammer 7, rotating the drilling machine 34 back to the original position, continuously drilling to the next test elevation, and repeating the steps (2), (3) and (4).

Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, but all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A complete set of equipment for implementing in-situ test of foundation in existing building is characterized in that:

the drilling machine comprises a base and an upright column arranged on the base, wherein a drilling device vertical to the base is arranged on the upright column; the base is further provided with a hoisting device, the top of the upright post is provided with a pulley device, the pulley device is provided with a plurality of fixed pulleys, two grooves are formed in the circumference of each fixed pulley, a hoisting rope group for hoisting a standard penetration device is arranged in each groove, and one end of each hoisting rope group is connected with a steel wire rope of the hoisting device.

2. The kit for conducting in situ foundation tests within an existing building according to claim 1, wherein: the lifting rope group comprises a lifting rope and a balance pulley, the lifting rope bypasses the balance pulley to form two ropes, the two ropes respectively pass through the two grooves of the fixed pulley, the balance pulley is provided with a lifting hook, and the lifting hook is connected with a steel wire rope of the hoisting device.

3. The plant for carrying out in situ tests of foundations within an existing building according to claim 1 or 2, characterized in that: the drilling device is rotatably connected with the upright post.

4. The plant for carrying out in situ tests of foundations within an existing building according to claim 1 or 2, characterized in that: the drilling device comprises a drill stand and a drilling machine, the drill stand is arranged on the upright post, a gear chain is arranged on the side wall of the drill stand, and the drilling machine is meshed with the gear chain.

5. The kit for conducting in situ foundation tests within an existing building according to claim 4, wherein: the drilling machine is connected with a drilling tool, and the drilling tool comprises a driving drill rod, a driven drill rod used for entering a drill hole, a core barrel and a drill bit.

6. The plant for carrying out in situ tests of foundations within an existing building according to claim 1 or 5, wherein: and an inclined pull rod is further arranged on the base on one side of the winding device, one end of the inclined pull rod is connected to the middle of the upright post, and the other end of the inclined pull rod is connected to the edge of the base.

7. The plant for carrying out in situ tests of foundations within an existing building according to claim 1 or 5, wherein: the pulley device further comprises a pulley yoke which is V-shaped, and the fixed pulleys are arranged at two free ends of the pulley yoke.

8. The plant for carrying out in situ tests of foundations within an existing building according to claim 1 or 5, wherein: the winding device comprises a tower arranged on the base and a winding engine arranged on the tower.

9. The kit for conducting in situ foundation tests within an existing building according to claim 8, wherein: and the base is provided with a circular level for detecting the horizontal state of the base.

10. The kit for conducting in situ foundation tests within an existing building according to claim 9, wherein: and a caster wheel is arranged on one side of the base, which is close to the hoisting device.