CN209803141U

CN209803141U - Rayleigh tester

Info

Publication number: CN209803141U
Application number: CN201920476038.4U
Authority: CN
Inventors: 李鹏; 舒良波
Original assignee: Wuhan Jiaotong Engineering Consulting Co Ltd
Current assignee: Wuhan Jiaotong Engineering Consulting Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-12-17
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a Rayleigh meter, which comprises a base, wherein the base is provided with a supporting seat, a bracket, a transverse scale and a string, the supporting seat is provided with a cushion block in a sliding manner, the cushion block is provided with a notch for placing a Rayleigh clamp, the supporting seat is provided with two groups of chutes, the cushion block is fixedly connected with two groups of sliders, the sliders are connected with the inner walls of the chutes in a sliding manner, and the sliders are connected with a driving component for realizing the attachment of the Rayleigh clamp and the transverse scale; the support is provided with a clamping groove, one side of the clamping groove, which faces the cushion block, is provided with an opening, and only one group of fingers of the Rayleigh clamp are clamped in the clamping groove. Through above-mentioned technical scheme, the lei shi presss from both sides by the drive and the horizontal scale is laminated completely, improves the accuracy nature of data reading, improves the accuracy nature of lei shi rack inspection.

Description

Rayleigh tester

Technical Field

The utility model belongs to the technical field of highway road surface check out test set's technique and specifically relates to a lei shi apparatus is related to.

Background

The cement volume stability refers to the property of whether the volume change of the cement is uniform in the process of setting and hardening, a general detection device adopts a Rayleigh tester which is used for detecting the elasticity requirement of a Rayleigh clamp and measuring the expansion value of a cement paste with standard consistency filled in a Rayleigh clamp ring mould after being maintained and boiled for a certain time; the cement volume stability process is as follows: cement is filled into a Leeb clamp consisting of a ring die and two pointers, the Leeb clamp is moved into a maintenance box for maintenance for 2 to 6 hours, the distance between the tips of the pointers of the Leeb clamp is measured, the Leeb clamp is put into a boiling box for boiling, finally, the distance between the tip end piece of the pointer of the Leeb clamp and the distance between the tips of the pointers of the Leeb clamp before boiling are measured and are relatively larger, the stability of the test piece is considered to be the sum until the difference between the tip ends of the pointers of the Leeb clamp and the tip end piece of the Leeb clamp is not more than 5mm, and the measured distance between the tip ends of the pointers of the Leeb clamp under the ideal condition refers to the concentric arc length of.

In order to solve the problems, the Chinese patent with the patent publication number of CN206311031U provides a high-precision Leeb clamp tester, which comprises a bracket, a transverse scale, a vertical scale, a string, a base, a cushion block with a semi-cylindrical notch and a matched Leeb clamp, wherein the Leeb clamp consists of a ring die and two pointers, the cushion block at one side of the semi-cylindrical notch is provided with an installation block, the installation block is provided with a clamping groove for clamping the pointers, the installation block is also provided with two hinged blocks, a hinged shaft is hinged between the two hinged blocks, the hinged shaft is hinged with a pressing sheet, and the hinged shaft is also provided with a torsion spring for pressing the pressing sheet to the clamping groove; has the advantages of high precision and convenient reading.

The above prior art solutions have the following drawbacks: the staff passes through the numerical value of pointer pointed end on horizontal scale, because the reason of observing the visual angle, and there is the interval between horizontal coordinate and the pointer point, and the size of lei clamp indicates that the needle point is between the error production, influences the precision of lei clamp survey.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lei shi apparatus, it has the laminating of realization lei shi pointer and transverse coordinates, reduces because the error that manual test caused, improves the detection precision of lei shi apparatus.

the utility model discloses a can realize through following technical scheme:

A Rayleigh meter comprises a base, wherein the base is provided with a supporting seat, a support, a transverse scale and a string, the supporting seat is provided with a cushion block in a sliding manner, the cushion block is provided with a notch for placing a Rayleigh clamp, the supporting seat is provided with two groups of sliding grooves, the cushion block is fixedly connected with two groups of sliding blocks, the sliding blocks are in sliding connection with the inner walls of the sliding grooves, and the sliding blocks are connected with a driving assembly for realizing the attachment of the Rayleigh clamp and the transverse scale; the support is provided with a clamping groove, one side of the clamping groove, which faces the cushion block, is provided with an opening, and only one group of fingers of the Rayleigh clamp are clamped in the clamping groove.

Through adopting above-mentioned technical scheme, the lei shi that will boil after the processing is accomplished presss from both sides and places on the breach of cushion, ensure that the lei shi presss from both sides and sets up perpendicularly, under drive assembly's effect, the slider is at the spout internal motion, the slider drives the cushion motion, the lei shi presss from both sides and follows the cushion and move towards horizontal index direction, place a set of pointer of lei shi clamp in the joint inslot, the pointer and the laminating of horizontal scale of lei shi clamp ensure that the lei shi presss from both sides and place perpendicularly as to the supporting seat, be convenient for read the reading of two sets of pointers of lei shi clamp, improve the precision to the detection achievement of.

Further setting the following steps: the drive assembly comprises two sets of drive rods and two sets of nuts in threaded connection with the drive rods, the nuts are rotatably connected with the support seat, the drive rods are abutted to the sliding blocks, and the drive rods are slidably connected with the sliding grooves.

Through adopting above-mentioned technical scheme, drive nut rotates, and the bolt drives the actuating lever towards the spout internal motion, with slider butt and drive slider towards the motion of horizontal scale direction in the actuating lever motion process, the slider drives the cushion and moves towards horizontal scale direction, realizes the pointer and the horizontal scale of lei shi clamp and laminates completely.

Further setting the following steps: the slider is located the part fixedly connected with lug of spout, the lug passes slider fixed connection, the lug is located the inside partial horizontal extension size of spout is greater than spout opening part size, the lug with the spout joint.

Through adopting above-mentioned technical scheme, in the actuating lever motion process with the lug butt, lug and spout inner wall sliding connection just move in the spout, the lug is restricted by the inner wall of spout opening part in the ascending motion of vertical side, the lug can only move along spout extending direction, ensures the ascending motion stability of lug horizontal direction, promotes the perpendicular of leishi clamp and cushion and places, ensures the survey precision of leishi clamp.

Further setting the following steps: the projection is provided with an inserting hole, and the driving rod is inserted in the inserting hole.

Through adopting above-mentioned technical scheme, the nut drive actuating lever rotates, and the actuating lever is pegged graft in the spliced eye, and the position of the butt of actuating lever and lug is stable, ensures the position stability in the actuating lever motion process, and the actuating lever promotes the lug motion more stable, realizes that the lei shi presss from both sides the position stability on the cushion.

Further setting the following steps: the inner wall of one end, far away from the driving rod, of the protruding block and the sliding groove is fixedly connected with an elastic restoring piece.

Through adopting above-mentioned technical scheme, actuating lever propelling movement lug motion, elasticity resume the piece by the compression, under the threaded connection effect of actuating lever and supporting seat, the position of lug is stable, under the effect of elasticity resume the piece, and the actuating lever moves towards keeping away from horizontal scale direction, and the lug moves towards the nut direction, realizes lug reciprocating motion in the spout.

Further setting the following steps: the horizontal section of the inner wall of the clamping groove is V-shaped, and the opening size of the clamping groove is not smaller than the maximum section circle size of the Rayleigh clamp pointer.

Through adopting above-mentioned technical scheme, when a set of pointer of lei shi presss from both sides moved to horizontal scale position, place a set of pointer at the joint inslot, the pointer is located the bottom in joint groove, and the pointer ensures the position stability of lei shi clamp under the inner wall effect in joint groove.

Further setting the following steps: the position of the opening of the clamping groove and the position of the transverse scale are positioned on the same vertical plane.

Through adopting above-mentioned technical scheme, when lei shi presss from both sides the pointer and is located the draw-in groove, and when the pointer was vertically placed, the top and the horizontal scale of pointer laminated completely, are convenient for read the scale on the pointer directional horizontal scale.

Further setting the following steps: the gasket is provided with a bubble level meter, the supporting seat is connected with at least four groups of bolts in a threaded manner, and the four groups of bolts are symmetrically arranged relative to the center of the supporting seat.

Through adopting above-mentioned technical scheme, lei shi presss from both sides and the laminating back of horizontal scale, the drive bolt motion, and drive bolt downstream adjusts the gasket levelness, and the bubble spirit level is used for guaranteeing that the gasket is in the horizontality, and gasket horizontal direction equilibrium is favorable to the pointer of lei shi to press from both sides to be in stable state, guarantees the position stability of pointer.

To sum up, the utility model discloses a beneficial technological effect does:

(1) Place the lei shi and press from both sides on the breach of cushion, drive nut rotates, and the actuating lever is driven towards horizontal scale direction motion, and the actuating lever is pegged graft in the spliced eye, and the motion of propelling movement lug, and the lei shi presss from both sides near motion to horizontal scale, places a set of pointer at the joint inslot, and the pointed end and the horizontal scale of pointer laminate completely, improve the lei shi and press from both sides and read the precision.

(2) The drive bolt moves, and under the effect of bubble spirit level, the cushion is in the horizontality, and lei shi presss from both sides and is in vertical state, promotes and detects the precision.

drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

Fig. 2 is a front view of the present invention;

Fig. 3 is a sectional view a-a in fig. 2.

Reference numerals: 1. a base; 2. a supporting seat; 3. a support; 4. a lateral scale; 5. a string; 6. cushion blocks; 7. a chute; 8. a slider; 9. a drive assembly; 10. a clamping groove; 11. a drive rod; 12. a nut; 13. a bump; 14. inserting holes; 15. a bubble level; 16. a bolt; 17. an elastic restoring member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a lei shi apparatus, including base 1, base 1 is provided with supporting seat 2, support 3, horizontal scale 4 and string of a thread 5, and the lei shi presss from both sides and surveys cement volume stability among the prior art, and the lei shi apparatus is used for surveying the accuracy of lei shi clamp, still fixedly connects with vertical scale on the support 3, and fixedly connected with weight on the string of a thread 5, under the effect of string of a thread 5 and vertical scale, detects the arc length between two sets of pointers on the lei shi clamp, realizes pressing from both sides the detection effect to lei shi; sliding connection has cushion 6 on the supporting seat 2, offers the breach that is used for placing the lei shi clamp on the cushion 6, and the opening of breach is towards horizontal scale 4, presss from both sides vertical direction with lei shi in the breach, and the pointer of lei shi presss from both sides points to horizontal scale 4, realizes the detection effect to cement volume stability through reading the interval between two sets of pointers on the horizontal scale 4.

Referring to fig. 1 and 3, in order to prevent the influence of the visual angle deviation of the worker on the data, two sets of sliding grooves 7 are formed in the supporting seat 2, the inner walls of the two sets of sliding grooves 7 are connected with sliding blocks 8 in a sliding mode, the two sets of sliding blocks 8 are fixedly connected with cushion blocks 6, the sliding blocks 8 are connected with driving assemblies 9, and the driving assemblies 9 are used for driving the Thai clamp to be attached to the transverse scaleplates 4; the driving assembly 9 comprises two groups of driving rods 11 and two groups of nuts 12 in threaded connection with the driving rods 11, the nuts 12 are rotatably connected with the supporting seat 2, one end of the sliding chute 7 close to the nuts 12 is provided with an opening, and the driving rods 11 penetrate through the nuts 12 and then are inserted into the sliding chute 7; the drive nut 12 is turned and the drive rod 11 is driven in the direction of the slide 8.

Referring to fig. 1 and 3, in order to ensure the stability of the cushion block 6 in the moving process, a convex block 13 is fixedly connected to a part of the sliding block 8, which is located in the sliding slot 7, the convex block 13 is fixedly connected with the sliding block 8 after penetrating through the sliding slot 7, the extension dimension of the convex block 13, which is located in the sliding slot 7, is larger than the extension dimension of the opening of the sliding slot 7, the convex block 13 is clamped with the sliding slot 7, and the convex block 13 is abutted against the inner wall of the sliding slot 7, so that the; one end of the driving rod 11 is abutted against the lug 13, and in the process that the driving rod 11 moves towards the inside of the sliding groove 7, the driving rod 11 pushes the lug 13 to move towards the direction of the transverse scale 4; in order to prevent the driving rod 11 from deviating in position during the driving process, the insertion hole 14 is formed at the position where the protruding block 13 abuts against the driving rod 11, the driving rod 11 is inserted into the insertion hole 14, and the driving rod 11 is stable in movement process; lug 13 fixed connection has elasticity to resume piece 17, and the other end of elasticity resume piece 17 is kept away from the one end inner wall fixed connection in nut 12 with spout 7, and when lug 13 moved towards horizontal scale 4, elasticity resume piece 17 was compressed, and under the threaded connection effect of actuating lever 11 and nut 12, the position of lug 13 was firm.

referring to fig. 1 and 3, a cushion block 6 moves to the position of a transverse scale 4 along with a convex block 13, a Leeb pointer is attached to the transverse scale 4, in the process of reading the distance between two groups of pointers, in order to prevent a worker from shaking when holding the Leeb pointer, a clamping groove 10 is fixedly connected to a support 3, one end, close to the cushion block 6, of the clamping groove 10 is provided with an opening, the horizontal section of the inner wall of the clamping groove 10 is V-shaped, the opening size of the clamping groove 10 is larger than the maximum section circle size of the Leeb pointer, and a group of pointers are placed in the clamping groove 10; horizontal scale 4 and joint groove 10 opening part position are located same vertical plane, and when the pointer was placed in joint groove 10, ensure that the lei shi presss from both sides and be in vertical state, improve the accurate nature of detection data.

Referring to fig. 1 and 3, in order to improve the accuracy of detection data, be provided with bubble level meter 15 on the gasket, bubble level meter 15 is used for ensuring that cushion 6 is in the horizontality, be favorable to improving the accuracy nature that detects, threaded connection has four groups of bolts 16 on the supporting seat 2, four groups of bolts 16 are the symmetry setting for the center of pad supporting seat 2, bolt 16 on the supporting seat 2 is for running through the setting, under the effect of bubble level meter 15, drive bolt 16 rotates, adjust the horizontality of supporting seat 2, realize that cushion 6 is in the effect of horizontality.

The implementation principle and the beneficial effects of the embodiment are as follows: place the lei shi and press from both sides on the breach of cushion 6, drive nut 12 rotates, actuating lever 11 is driven towards 4 direction motions of horizontal scale, actuating lever 11 is pegged graft in spliced eye 14, and the motion of propelling movement lug 13, lei shi presss from both sides near motion to horizontal scale 4, place a set of pointer in joint groove 10, the pointed end and the horizontal scale 4 of pointer laminate completely, drive bolt 16 rotates, under the 15 effects of bubble spirit level, it is in the horizontality to adjust cushion 6, lei shi presss from both sides and the perpendicular setting of cushion 6, lei shi presss from both sides and is in vertical setting, improve lei shi and press from both sides detection precision.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a lei shi apparatus, includes base (1), base (1) is provided with supporting seat (2), support (3), horizontal scale (4) and string of a musical instrument (5), its characterized in that: the supporting seat (2) is provided with a cushion block (6) in a sliding manner, a notch for placing a Rayleigh clamp is formed in the cushion block (6), two groups of sliding grooves (7) are formed in the supporting seat (2), two groups of sliding blocks (8) are fixedly connected to the cushion block (6), the sliding blocks (8) are connected with the inner walls of the sliding grooves (7) in a sliding manner, and the sliding blocks (8) are connected with a driving assembly (9) for achieving the attachment of the Rayleigh clamp and the transverse scale (4);

Be provided with joint groove (10) on support (3), joint groove (10) orientation one side of cushion (6) sets up to the opening, only the pointer joint of a set of lei shi clamp in joint groove (10).

2. The reye meter of claim 1, wherein: drive assembly (9) include two sets of actuating lever (11) and two sets of with actuating lever (11) threaded connection's nut (12), nut (12) with supporting seat (2) rotate to be connected, actuating lever (11) with slider (8) butt, actuating lever (11) with spout (7) sliding connection.

3. The reye meter of claim 2, wherein: slider (8) are located the part fixedly connected with lug (13) of spout (7), lug (13) pass behind spout (7) slider (8) fixed connection, lug (13) are located the horizontal extension size of spout (7) inside part is greater than spout (7) opening part size, lug (13) with spout (7) joint.

4. the reye meter of claim 3, wherein: the projection (13) is provided with an inserting hole (14), and the driving rod (11) is inserted into the inserting hole (14).

5. the Reye's meter of claim 4, wherein: an elastic restoring piece (17) is fixedly connected with the inner wall of one end, far away from the driving rod (11), of the protruding block (13) and the sliding groove (7).

6. The reye meter of claim 1, wherein: the horizontal section of the inner wall of the clamping groove (10) is V-shaped, and the opening size of the clamping groove (10) is not smaller than the maximum section circle size of the Rayleigh clamp pointer.

7. The reye meter of claim 1, wherein: the position of the opening of the clamping groove (10) and the transverse scale (4) are positioned on the same vertical plane.

8. The reye meter of claim 1, wherein: the air bubble level gauge is characterized in that an air bubble level gauge (15) is arranged on the cushion block (6), at least four groups of bolts (16) are in threaded connection with the supporting seat (2), and the four groups of bolts (16) are symmetrically arranged relative to the center of the supporting seat (2).