CN207964341U - Core clamping apparatus - Google Patents

Abstract

The utility model discloses a kind of core clamping apparatus, it includes handle, connection component and gripper assembly；Connection component includes connecting rod and slide unit, and upper end and the handle of connecting rod are detachably connected, lower end and slide unit are detachably connected；Gripper assembly includes connection ring and multiple fixtures；The middle part of fixture is equipped with perforative through-hole in the width direction, fixture corresponds to the thickness-tapered of entity on through-hole, each fixture is placed on its through-hole in connection ring, and each fixture inner wall on through-hole is made to surround up-small and down-big slideway, and the bottom of fixture is equipped with the folder sword of convex；Connection component is slidably connected to its slide unit in the slideway of clamp assembly, upper carrying handle handle makes slide unit so that each fixture itself is rotated clamping core by fulcrum of connection ring along slideway up and down motion, hole can smoothly be proposed by core by continuing control handle uplink, operational sequence is easy, greatly improve operating efficiency, labor intensity is reduced, improves the safety of operation, and the cost that saves manpower and time.

Description

Core clamping apparatus

Technical field

The utility model belongs to geotechnical engineering investigation drilling field more particularly to a kind of core clamping apparatus.

Background technology

Currently, during the Engineering Project Constructions such as all kinds of tunnels, deep basal pit, water resources dam, in the project under construction that is related to Hold complicated, has that investment big, long construction period, can not to meet risk more and influence all multiple features such as big to surrounding enviroment, and often The rock stratum for encountering complex geologic conditions, it is more demanding to construction quality and safety index.In order to avoid during engineering construction and There is safety accident in operation late stage, strive items loss being preferably minimized,《Build deformation measurement specification》With《Engineering is surveyed Gauge model》It expressly provides, unit in charge of construction needs to carry out the monitoring of engineering, arranges the project of construction monitoring, especially safe The point layout and its optimization method of monitoring project are even more most important.

It is found from live point layout and monitoring data process, monitoring point core extracts extremely difficult, not ready-made folder Coring utensil, typically first using special core drilling machine after earth's surface monitoring location carries out drilling through required depth hole, meeting Core is reserved, is then extracted by hand.After drilling out core due to core drilling machine, the circumferential edge gap reserved is narrow and depth compared with Deep, hand or other tools cannot enter, and only manually decentralization iron wire loop covers coring and is drawn off by hand-power, mistake at scene Journey is time-consuming and laborious, and easily causes finger contusion, and operating efficiency is low, cause seriously affecting to construction progress.

Utility model content

The purpose of this utility model is to provide one kind capable of reducing labor intensity, improves working efficiency and operational security Core clamping apparatus and using this clamping apparatus extraction measuring point core method.

This core clamping apparatus provided by the utility model, it includes handle, connection component and gripper assembly；Connection component Including connecting rod and slide unit, upper end and the handle of connecting rod are detachably connected, lower end and slide unit are detachably connected；Gripper assembly packet Include connection ring and multiple fixtures；The middle part of fixture is equipped with perforative through-hole, fixture correspond to entity on through-hole in the width direction Thickness-tapered, each fixture are placed on its through-hole in connection ring, and each fixture inner wall on through-hole is made to surround up-small and down-big cunning Road, the bottom of fixture are equipped with the folder sword of convex；Connection component is slidably connected to its slide unit in the slideway of clamp assembly, slide unit edge Slideway up and down motion makes each fixture itself be rotated by fulcrum of connection ring.

In a specific embodiment, it is operated for the ease of both hands, makes the handle for round steel, in length direction Portion is equipped with through hole, length direction both ends are equipped with convenient for hand-held groove.

In a specific embodiment, for the ease of one-handed performance, it is annulus handle to make the handle, and bottom end is equipped with and passes through Perforation, top are equipped with convenient for hand-held groove.

Preferably, the connecting rod is made to be round bar, both ends are thread head, and the root of threaded upper ends head is equipped with axis Shoulder, attaching nut is fastened with the handle after connecting rod passes through the through hole with the thread head of the upper end.

In order to adapt to different operating modes, or the connecting rod is made to be telescopic rod, including interior bar and housing；Outside the top of interior bar Wall is equipped with external screw thread, and externally threaded root is equipped with the shaft shoulder, and the bottom end of interior bar is equipped with the multiple connections being arranged in rows along its length Hole；The upper end of housing is equipped with location hole, the outer wall of lower end is equipped with external screw thread；Interior bar and housing pass through the axis pin dress across location hole With being integrated.

In a specific embodiment, it is the frustum of a cone to make the slide unit, and top surface is equipped at axially centered position Internal thread hole, the connecting rod are connected to its lower thread in internal thread hole.

It is replaced for the ease of safeguarding, the connection ring is made to be annulus, including the major arc section that is detachably connected as a whole and bad Segmental arc.

In order to improve the stability of clamping, make there are three the fixtures, three fixtures are distributed in connection ring.

In order to further increase stability, it is arc surface to make each cross section of the fixture, the radian of each cross section from Successively decrease under, the corresponding central angle in fixture top surface is 120 °.

When the utility model is used, bestowing the upward power of handle, handle uplink is based on lever principle, is with connection ring Fulcrum is acted on, the small angle rotation of the special construction of fixture is made full use of, lifting force is transmitted to fixture by equalising torque Folder blade position makes folder sword clamp core, and continuing control handle uplink can smoothly propose core hole, and operational sequence is easy, with Special core drilling machine is monitored with the use of operating efficiency can be greatlyd improve, labor intensity is reduced, improves the safety of operation, and save Human-saving and time cost；And the present apparatus is only assembled by handle, connection component and gripper assembly, to also have assembly Part is few, simple in structure, the advantages that being easily portable.

Description of the drawings

Fig. 1 is the schematic cross-sectional view of one preferred embodiment of the utility model.

Fig. 2 is the assembly schematic top plan view of the utility model connection ring and fixture.

Fig. 3 is the enlarged diagram of fixture in Fig. 1.

Fig. 4 be in Fig. 3 B to enlarged diagram.

Fig. 5 is the schematic cross-sectional view of C-C in Fig. 3.

Fig. 6 is the alternative solution of handle in the present embodiment.

Fig. 7 is the alternative solution of connecting rod in the present embodiment.

Fig. 8 is the use state diagram of this preferred embodiment.

Illustrate serial number：

1-handle, 11-grooves；

2-connection components, 21-connecting rods, the 211-shaft shoulders, 22-slide units；

3-gripper assemblies, 31-connection rings, 311-major arc sections, 312-minor segments, 32-fixtures, 321-

Press from both sides sword, 322-through-holes；

01-interior bar；02-housing.

Specific implementation mode

As shown in Figure 1, this core clamping apparatus provided in this embodiment, including handle 1, connection component 2 and gripper assembly 3。

As shown in Figure 1, handle 1 is round steel, the middle part of length direction is equipped with through hole, length direction both ends are equipped with and are convenient for Hand-held groove 11；Connection component 2 is connected by through hole with handle.

As shown in Figure 1, connection component 2 includes connecting rod 21 and slide unit 22.

Connecting rod 21 is round bar, and both ends are thread head, and the root of threaded upper ends head is equipped with the shaft shoulder 211 convenient for handle Limit, prevents its downslide；Attaching nut and handle fasten after connecting rod passes through through hole with the thread head of the upper end, connecting rod with The thread head of lower end is connected with slide unit 22.

Slide unit 22 is the frustum of a cone, is equipped with internal thread hole at the axially centered position in top surface, connecting rod is with its lower end spiral shell Line is connected in internal thread hole.Connection component is assembled with the slide unit of its lower end and gripper assembly 3.

As shown in Figure 1 and Figure 2, gripper assembly 3 includes three fixtures 32 of connection ring 31 and set thereon.

As shown in Fig. 2, connection ring 31 is annulus, including major arc section 311 and minor segment 321, the both ends of major arc section, which are equipped with, inserts Interface and the location hole for penetrating interface, the both ends of minor segment are equipped with the slotted hole that wall thickness is opened up and run through along arc length direction, Minor segment is plugged in major arc section through the bolt fitted bolt fastening across slotted hole and spliced eye.

As shown in Fig. 3, Fig. 4 and Fig. 5, each cross section of fixture 32 is arc surface, and the radian of each cross section is from top to bottom Successively decrease, the corresponding central angle in fixture top surface is 120 ° to ensure that the top surface of three fixtures after three fixtures are assemblied in connection ring is spliced It is a complete annulus mutually to limit, the middle part of fixture is equipped with that perforative through-hole 322, the bottom of fixture are set in the width direction There is a folder sword 321 of convex, fixture corresponds to the thickness-tapered of entity on through-hole, and when assembly, slide unit is placed in the inner wall of fixture, Each fixture is placed on its through-hole in connection ring, each fixture inner wall on through-hole is made to surround up-small and down-big taper slideway, Slide unit 22, which is located in slideway, to be moved up and down along taper slideway, and the diameter of slide unit bottom surface is more than the maximum gauge of slideway top surface Slide unit will not be skidded off from the top surface of slideway after the completion of ensureing assembly.

As shown in fig. 6, also handle can be designed as to annulus handle 01 as an alternative, and setting is passed through in the bottom of handle Perforation, top setting enable this clamping apparatus to be convenient for one-handed performance, connecting rod is passed through with the upper end to be run through convenient for hand-held groove Hole fitted bolt fastening.

As shown in fig. 7, connecting rod can also be designed to telescopic rod, including interior bar 02 and housing 03；The top outer wall of interior bar is set There are external screw thread, externally threaded root to be equipped with the shaft shoulder, the bottom end of interior bar is equipped with the multiple connecting holes being arranged in rows along its length；Outside The upper end of set is equipped with location hole, the outer wall of lower end is equipped with external screw thread；Interior bar and housing are by the axis pin assembly across location hole One.

As shown in figure 8, being with the method that the present apparatus carries out measuring point core extraction：

(1) take rock machine in the core hole that earth's surface monitoring location drills through using drill core；

(2) core hole inner cores are prized from its root and is broken, ensure that core fractures completely along bottom surface；

(3) this clamping apparatus is transferred from periphery gap to outside core, holds handle and be lifted up, handle drives slide unit in cunning Being moved up in road makes each fixture generate small angle rotation around fulcrum simultaneously, and each sword that presss from both sides inwardly rotates clamping core, continues upper carrying handle handle Core is proposed；

(4) there is the clamping apparatus of core to mention designated position gripping, put down handle, slide unit is lower in slideway to exercise each folder sword It is turned out release core.

The utility model need to only bestow the upward power of handle when extracting core, and handle uplink is based on lever principle, with Connection ring is effect fulcrum, makes full use of the small angle rotation of the special construction of fixture, transmits lifting force by equalising torque Folder sword is set to clamp core to the folder blade position of fixture, continuing control handle uplink can smoothly propose core hole, operative employee Sequence is easy, and the peace of operation is improved with the use of that can greatly improve operating efficiency, reduction labor intensity with special core drilling machine is monitored Quan Xing, and the cost that saves manpower and time；And the present apparatus is only assembled by handle, connection component and gripper assembly, to Also have many advantages, such as assembly parts it is few, it is simple in structure, be easily portable.

Claims (9)

1. a kind of core clamping apparatus, it is characterised in that：It includes handle, connection component and gripper assembly；

Connection component includes connecting rod and slide unit, and upper end and the handle of connecting rod are detachably connected, lower end and slide unit detachably connect It connects；

Gripper assembly includes connection ring and multiple fixtures；

The middle part of fixture is equipped with perforative through-hole, fixture correspond to the thickness-tapered of entity on through-hole, each fixture in the width direction It is placed in connection ring with its through-hole, so that each fixture inner wall on through-hole is surrounded up-small and down-big slideway, the bottom of fixture is set There is the folder sword of convex；

Connection component is slidably connected to its slide unit in the slideway of clamp assembly, and slide unit makes each fixture itself along slideway up and down motion It is rotated by fulcrum of connection ring.

2. core clamping apparatus according to claim 1, it is characterised in that：The handle is round steel, in length direction Portion is equipped with through hole, length direction both ends are equipped with convenient for hand-held groove.

3. core clamping apparatus according to claim 1, it is characterised in that：Or the handle is annulus handle, bottom end is set There are through hole, top to be equipped with convenient for hand-held groove.

4. core clamping apparatus according to claim 2 or 3, it is characterised in that：The connecting rod is round bar, and both ends are The root of thread head, threaded upper ends head is equipped with the shaft shoulder, and connecting rod coordinates spiral shell after passing through the through hole with the thread head of the upper end It is female to be fastened with the handle.

5. core clamping apparatus according to claim 2 or 3, it is characterised in that：Or the connecting rod is telescopic rod, including Interior bar and housing；The top outer wall of interior bar is equipped with external screw thread, and externally threaded root is equipped with the shaft shoulder, and the bottom end of interior bar is equipped with along length Multiple connecting holes that direction is arranged in rows；The upper end of housing is equipped with location hole, the outer wall of lower end is equipped with external screw thread；Interior bar and housing It is integrated by the axis pin assembly across location hole.

6. core clamping apparatus according to claim 4, it is characterised in that：The slide unit is the frustum of a cone, and top surface is located at axis It is equipped with internal thread hole to center position, the connecting rod is connected to its lower thread in internal thread hole.

7. core clamping apparatus according to claim 1, it is characterised in that：The connection ring is annulus, including is detachably connected It is connected in integrated major arc section and minor segment.

8. core clamping apparatus according to claim 1, it is characterised in that：There are three the fixtures, and three fixtures are distributed in In connection ring.

9. core clamping apparatus according to claim 8, it is characterised in that：Each cross section of the fixture is arc surface, The radian of each cross section successively decreases from top to bottom, and the corresponding central angle in fixture top surface is 120 °.