CN208780185U

CN208780185U - Inclinometer

Info

Publication number: CN208780185U
Application number: CN201821813423.5U
Authority: CN
Inventors: 钱池进; 霍星; 邢邦宝; 夏旭东; 吕正权
Original assignee: Zhejiang Jiangnan Project Management Ltd By Share Ltd
Current assignee: Zhejiang Jiangnan Project Management Ltd By Share Ltd
Priority date: 2018-11-05
Filing date: 2018-11-05
Publication date: 2019-04-23
Anticipated expiration: 2028-11-05

Abstract

The utility model discloses a kind of inclinometers, it includes feeler lever and two pairs of pulley blocks being mounted on feeler lever, two pairs of pulley blocks are axially distributed along feeler lever, each pair of pulley blocks include 2 pulleys for being located at feeler lever two sides, it is also connected by main shaft with armshaft between 2 pulleys, armshaft is connect with integrated spindle axis, the inserting end of main shaft has annular groove, pulley includes inner support circle, outer rim and ball, inner support circle, which has, is divided into outer Cheng Quan and the interior hollow cavity for holding circle for inner support circle, locking circle is embedded in hollow cavity, locking circle inner wall is equipped with double wedge, inside holding to be equipped between circle and locking circle can drive locking circle towards the elastic spring away from the movement of the interior direction Cheng Quan, circle is held outside is equipped with mounting groove, the direction the Cheng Quan movement inwardly of locking circle can be driven so that double wedge passes through through slot and the annular groove of main shaft is formed or disengaged by being equipped in mounting groove Along the button assembly of main shaft axial direction location fit.The pulley installation structure of the utility model inclinometer is secured, is conveniently replaceable.

Description

Inclinometer

Technical field

The utility model relates to construction distance measuring equipment technical field, especially a kind of inclinometer.

Background technique

Currently, rail traffic and underground space engineering are in the epoch of great development, with cities in China municipal administration base The rapid development of Infrastructure, construction has been universal phenomenon near existing building.Building is become in subway engineering construction Shape control is engineering roadblock all the time.Before construction, using software sunykatuib analysis, and incorporation engineering is constructed measured data, is built Building settlement calculation model under vertical various working, and then analyse in depth excavation and tunneling shield boring construction process In, close on the building settlement deformation rule of all kinds of foundations in building site, for subway engineering construction in building Deformation control plays the role of vital.

However, inclinometer is an important horizontal displacement monitoring tool in engineering construction monitoring process.Traditional survey Oblique instrument, structure include inclinometer feeler lever and two pairs or multipair pulley, and inclinometer feeler lever is equipped with measuring device, the center of pulley Across main shaft, the both ends of main shaft are fixed on armshaft by screw or pin etc., are needed through professional pincers worker or professional tool It can replace or install, if occurring situations such as pulley abrasion or damage during on-site land survey, and cannot replace in time, need to look for The pincers worker of profession is replaced, and can be delayed a large amount of exploration time, be delayed construction speed.

Summary of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a kind of inclinometer, the pulley installation of the inclinometer Sound construction is conveniently replaceable, and solves the problems, such as that the pincers worker for needing profession in the prior art could be replaced.

To achieve the goals above, the technical solution adopted in the utility model is: a kind of inclinometer, including feeler lever and installation Two pairs of pulley blocks on feeler lever, two pairs of pulley blocks are axially distributed along feeler lever, and each pair of pulley blocks include 2 and are located at feeler lever two The pulley of side is also connected by main shaft with armshaft between 2 pulleys, it is characterised in that: the armshaft be located at main shaft one end and with The main shaft end integrally connected, the main shaft other end protrude into pulley center hole, and the inserting end of main shaft has annular groove, and pulley includes Inner support circle, inner support circle periphery both ends are equipped with ball along outer rim is respectively sleeved between outer rim and inner support circle, interior Bracing ring have hollow cavity, hollow cavity by inner support circle be divided into outer Cheng Quan and it is interior hold circle, be embedded with locking in hollow cavity Circle, locking circle inner wall are equipped with the double wedge that radially extends along locking circle, inside hold circle and are equipped with the through slot passed through for double wedge, inside hold circle with Elastic spring is installed between locking circle, elastic spring has the elastic force for driving locking circle court away from the movement of the interior direction Cheng Quan, Hold circle outside and be equipped with mounting groove, be equipped in mounting groove can drive locking circle inwardly the direction Cheng Quan move so that double wedge pass through through slot with The annular groove of main shaft forms or disengages the button assembly along main shaft axial direction location fit.

In above structure, main shaft passes through pulley center hole, and the annular groove on main shaft is by the double wedge on pulley locking circle Detent formed axially position cooperation, when external force button assembly, button assembly drive locking circle retreat so that double wedge moves back Annular groove out is conveniently replaceable so that main shaft and pulley are detached from.

Further, the mounting groove is radially extended and is formed by holding circle outer peripheral surface outside, and mounting groove includes vertical section and water Flat section, the button assembly include key and sliding block, and sliding block is located in the horizontal segment of mounting groove, sliding block one end towards locking circle, Spring is abutted between the sliding block other end and installation cell wall, the elastic force of spring is greater than the elastic force of elastic spring, the key In the vertical section of mounting groove, the end that key is revealed in mounting groove open end constitutes operating side, and key protrudes into vertical section End face be bevel structure, sliding block has the lozenges that is adapted to bevel structure towards the end face of key, and key drives in external force Axial sliding motion can be done along the vertical section of mounting groove down, key forms abutting contact by bevel structure and lozenges.

In above structure, elastic spring makes locking circle have retrogressing trend, but locking circle is under the abutting of sliding block and spring The structure of double wedge and annular groove location fit is kept to pass through bevel structure and lozenges when key is moved down by external force Cooperation pushes sliding block to retreat, and after the elastic force that sliding block and spring have been cancelled on locking circle, the power by elastic spring, which acts on, to be retreated So that double wedge and annular groove are detached from, at this point, main shaft and pulley are detached from, and the external force on key is cancelled, then sliding block, which resets, pushes Double wedge clamping main shaft.

Further, the operating side of the key has and holds the arcwall face for enclosing circumferential surface radian and being adapted to outside, and the key is stretched Enter the side setting bevel structure of the inserting end in mounting groove, the other side of the inserting end is then equipped with triangle limited block, the peace By chamfer transition, triangle limited block is formed with triangle chamfer to be prevented to press the vertical section and horizontal segment joining place of tankage The limit fit structure of key disengaging vertical section.

In above structure, key forms limit cooperation by triangle limited block and triangle chamfer, can prevent key It is detached from mounting groove.

Further, the elastic spring is joined end to end by several curved arc sections and is formed, and the crowning of curved arc section is connected to interior It holds on circle circumferential surface, the interface of curved arc section and curved arc section is then connected on the inner face of locking circle, and elastic spring is symmetrical in two sides It is held in being distributed in the gap between circle and locking circle.

In above structure, elastic spring is connected by curved arc section and forms wavy shaped configuration, and two elastic springs, which are symmetrical arranged, to be made It obtains elastic force symmetrically to stablize, be collectively formed moreover, locking circle can be by two semicircular structures, a semicircular structure is corresponding One elastic spring.

The utility model is further described with reference to the accompanying drawing.

Detailed description of the invention

Attached drawing 1 is the utility model specific embodiment structural schematic diagram；

Attached drawing 2 is the utility model specific embodiment pulley block structure schematic diagram；

Attached drawing 3 is the decomposition chart of the utility model specific embodiment pulley and main shaft and armshaft；

Attached drawing 4 is that the utility model specific embodiment pulley removes the structural schematic diagram after body；

Attached drawing 5 is the utility model specific embodiment pulley radial end face cross-sectional view；

Attached drawing 6 is the utility model specific embodiment part A enlarged drawing；

Feeler lever 1, inner support circle 21, hollow cavity 211, holds circle 212, mounting groove 22, vertical section 221, level at pulley 2 outside Section 222, key 3, bevel structure 31, operating side 32, triangle limited block 33, sliding block 4, lozenges 41, spring 5, it is interior hold circle 213, Through slot 213a, locking circle 22, double wedge 221, elastic spring 7, outer rim 23, ball 24, main shaft 61, armshaft 62, annular groove 63.

Specific embodiment

Specific embodiment of the utility model is inclinometer as shown in figures 1 to 6 comprising feeler lever 1 and is mounted on feeler lever 1 2 groups of two pairs of pulleys, 2 groups of two pairs of pulleys along the axial distribution of feeler lever 1,2 groups of each pair of pulley include 2 and are located at 1 two sides of feeler lever 2,2 pulleys 2 of pulley between also connected by main shaft 61 and armshaft 62, armshaft 62 be located at 61 one end of main shaft and with main shaft 61 this Integrally connected is held, 61 other end of main shaft protrudes into 2 centre bore of pulley, and the inserting end of main shaft 61 has annular groove 63, main shaft 61 Across 2 centre bore of pulley, it is axial fixed to be formed by the detent of the double wedge 221 on the locking circle 22 in annular groove 63 and pulley 2 Position cooperation, when external force button assembly, button assembly drives locking circle 22 to retreat so that double wedge 221 exits annular groove 63, so that main shaft 61 and pulley 2 are detached from, it is conveniently replaceable.

Specifically, pulley 2 includes inner support circle 21,21 periphery both ends of inner support circle are along outer rim 23 is respectively sleeved on, outside Ball 24 is installed, inner support circle 21 has hollow cavity 211, and hollow cavity 211 will be interior between wheel rim 23 and inner support circle 21 Bracing ring 21 be divided into it is outer hold circle 212 and it is interior hold circle 213, locking circle 22 is embedded in hollow cavity 211,22 inner wall of locking circle is equipped with The double wedge 221 radially extended along locking circle 22 inside holds circle 213 and is equipped with the through slot 213a passed through for double wedge 221, inside holds circle 213 Elastic spring 7 is installed between locking circle 22, elastic spring 7, which has, drives locking circle 22 to be transported towards away from interior 213 directions of circle of holding Dynamic elastic force holds circle 212 outside and is equipped with mounting groove 22.Mounting groove 22 is radially extended and is formed by holding 212 outer peripheral surfaces of circle outside, is pacified Tankage 22 includes vertical section 221 and horizontal segment 222, is equipped with button assembly in mounting groove 22, button assembly includes key 3 and sliding block 4, sliding block 4 is located in the horizontal segment 222 of mounting groove 22, and 4 one end of sliding block is towards locking circle 22,4 other end of sliding block and mounting groove 22 Abutting between wall has a spring 5, and the elastic force of spring 5 is greater than the elastic force of elastic spring 7, under no external force, sliding block 4 by The driving of spring 5 is extruded on locking circle 22, is formed so that the double wedge 221 on locking circle 22 is caught in the annular groove 63 of main shaft 61 Positioning；And key 3 is located in the vertical section 221 of mounting groove 22, the end that key 3 is revealed in 22 open end of mounting groove constitutes operation End 32, it is bevel structure 31 that key 3, which protrudes into the end face in vertical section 221, and sliding block 4 has and inclined-plane knot towards the end face of key 3 The lozenges 41 that structure 31 is adapted to, key 3 can do axial sliding motion in the case where external force drives along the vertical section 221 of mounting groove 22, Key 3 forms abutting contact by bevel structure 31 and lozenges 41, pushes sliding block 4 by bevel structure 31 when key 3 moves down The extruding force revocation so that being subject on locking circle 22 is retreated, and then the elastic force of elastic spring 7 pushes locking circle 22 to retreat so that convex Tooth 221 exits annular groove 63, and main shaft 61 and pulley 2 disengage.And after cancelling the external force on key 3, then it is convex to reset promotion for sliding block 4 221 clamping main shaft 61 of tooth.

Further, the operating side 32 of key 3 has and holds the arcwall face for enclosing 212 circumferential surface radians and being adapted to outside, in order to avoid The operating side 32 is surprisingly pressed, its periphery be provide with a snare part make it is smooth between 23 circumferential surface of intermediate end face and outer rim Transition, as shown in Figure 3；And key 3 protrude into the inserting end in mounting groove 22 side setting bevel structure 31, the inserting end it is another Side is then equipped with triangle limited block 33, and the vertical section 221 and 222 joining place of horizontal segment of mounting groove 22 pass through chamfer transition, Triangle limited block 33 and triangle chamfer form the limit fit structure for preventing key 3 from being detached from vertical section, can prevent key 3 It is detached from mounting groove 22.

Elastic spring 7 is joined end to end by several curved arc sections and forms wavy shaped configuration, and the crowning of curved arc section is connected to interior hold It encloses on 213 circumferential surfaces, the interface of curved arc section and curved arc section is then connected on the inner face of locking circle 22, and inner face is equipped with longitudinal Slot, interface are connected in longitudinal slot, and when locking circle 22 is squeezed by sliding block 4, longitudinal slot narrows so that locking circle 22 moves inside, When sliding block 4 is backed out, then elastic spring 7 is extruded in longitudinal slot longitudinal channel opening is opened, so that locking circle 22 retreats elasticity Reed 7 is symmetrically distributed in the interior gap held between circle 213 and locking circle 22 in two sides, and elastic spring 7 is by curved arc section connection two A elastic spring 7 is symmetrical arranged so that elastic force is symmetrically stablized, moreover, locking circle 22 can be it is common by two semicircular structures It constitutes, the corresponding elastic spring 7 of semicircular structure, double wedge 221 can be arranged several more, can be spaced apart to form one Enclose 221 structure of double wedge.

The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to the utility model public affairs The content opened can be implemented the utility model or all using the utility model using other a variety of specific embodiments Design structure and thinking, do simple change or change, both fall within the protection scope of the utility model.

Claims

1. a kind of inclinometer, including feeler lever and two pairs of pulley blocks being mounted on feeler lever, two pairs of pulley blocks are axially distributed along feeler lever, Each pair of pulley blocks include 2 pulleys for being located at feeler lever two sides, are also connected by main shaft with armshaft between 2 pulleys, special Sign is: the armshaft be located at main shaft one end and with the main shaft end integrally connected, the main shaft other end protrudes into pulley center hole, main The inserting end of axis has annular groove, and pulley includes inner support circle, and inner support circle periphery both ends are along outer rim is respectively sleeved on, outside Ball is installed, inner support circle has hollow cavity, and inner support circle is divided into outer hold by hollow cavity between wheel rim and inner support circle Circle holds circle with interior, and locking circle is embedded in hollow cavity, and locking circle inner wall is equipped with the double wedge radially extended along locking circle, inside holds circle It equipped with the through slot passed through for double wedge, inside holds and elastic spring is installed between circle and locking circle, elastic spring, which has, drives locking Circle holds circle outside and is equipped with mounting groove, locking circle court can be driven by being equipped in mounting groove towards the elastic force away from the movement of the interior direction Cheng Quan The interior direction Cheng Quan moves so that double wedge passes through through slot and the annular groove of main shaft is formed or disengaged along main shaft axial direction location fit Button assembly.

2. inclinometer according to claim 1, it is characterised in that: the mounting groove is radially extended by holding circle outer peripheral surface outside It is formed, mounting groove includes vertical section and horizontal segment, and the button assembly includes key and sliding block, and sliding block is located at the level of mounting groove Duan Zhong, sliding block one end have abutted spring towards locking circle between the sliding block other end and installation cell wall, the elastic force of spring is greater than bullet Property reed elastic force, the key is located in the vertical section of mounting groove, and the end that key is revealed in mounting groove open end is constituted Operating side, it is bevel structure that key, which protrudes into the end face in vertical section, and sliding block has towards the end face of key to be adapted to bevel structure Lozenges, key external force drive it is lower axial sliding motion can be done along the vertical section of mounting groove, key passes through bevel structure Abutting contact is formed with lozenges.

3. inclinometer according to claim 2, it is characterised in that: the operating side of the key has and holds circle circumferential surface arc outside Spend adaptation arcwall face, the key protrude into the inserting end in mounting groove side setting bevel structure, the inserting end it is another Side is then equipped with triangle limited block, and the vertical section and horizontal segment joining place of the mounting groove pass through chamfer transition, triangle limit Block and triangle chamfer form the limit fit structure for preventing key from being detached from vertical section.

4. inclinometer according to claim 1 or 2 or 3, it is characterised in that: the elastic spring is by several curved arc section head and the tail It is connected to form, the crowning of curved arc section is connected to interior hold and encloses on circumferential surface, and the interface of curved arc section and curved arc section is then connected to locking On the inner face of circle, elastic spring is symmetrically distributed in the interior gap held between circle and locking circle in two sides.