CN211826059U

CN211826059U - Concrete pressure bleeding instrument

Info

Publication number: CN211826059U
Application number: CN202020411888.9U
Authority: CN
Inventors: 高兴东
Original assignee: Chengdu Songli Building Materials Co ltd
Current assignee: Chengdu Songli Building Materials Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-10-30
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a concrete pressure bleeding appearance, be in including base, the sample cylinder of placing on the base, can dismantle fixed connection and be in the upper cover and the slip setting at sample cylinder top piston in the sample cylinder, sample cylinder one end fixedly connected with hydraulic jack are kept away from to the upper cover, the upper cover with all be provided with a plurality of breachs, it is a plurality of between the sample cylinder all slide in the breach and be provided with the straining rod, the fixed dog that is provided with on the perisporium of straining rod one end, the perisporium swivelling joint of the other end has the cam, the fixed rotatory handle that is provided with on the cam, the utility model discloses but have quick dismouting upper cover and sample cylinder, improve test efficiency's effect.

Description

Concrete pressure bleeding instrument

Technical Field

The utility model belongs to the technical field of concrete measuring equipment's technique and specifically relates to a concrete pressure bleeding appearance is related to.

Background

The larger the water cement ratio of the concrete is, the longer the cement is set and hardened, the more free water is, the longer the time for separating water from the cement is, and the more bleeding of the concrete is easy; excessive admixture or retarding component in concrete can cause a great deal of bleeding and precipitation of fresh concrete, a great deal of free water is secreted out of the surface of the concrete, the setting and hardening of cement are influenced, and the water retention performance of the concrete is reduced, so that serious bleeding is caused. The concrete pressure bleeding instrument is mainly used for testing the bleeding amount of the pumped concrete in a certain pressure state and further calculating the bleeding rate ratio. The method is used for measuring the pressure bleeding of the concrete mixture with the aggregate grain diameter of not more than 40 mm.

Chinese patent with grant publication number CN207882271U discloses a concrete pressure bleeding appearance, including base and the test material section of thick bamboo of setting on the base, be connected with manometer and hydraulic jack on the test material section of thick bamboo, test material bobbin base portion is provided with the drain valve, be provided with the graduated flask that is used for the splendid attire to secrete the water of play from the drain valve on the base, offer the sleeve that is used for placing the graduated flask on the base, be provided with in the sleeve and be used for fixing the fixed establishment in the sleeve with the graduated flask, fixed establishment's setting can place the graduated flask in the sleeve more steadily for the graduated flask is difficult for overturning when carrying out bleeding volume measurement, reaches the effect that the measurement can be accomplished smoothly to a certain extent.

The above prior art solutions have the following drawbacks: the upper cover is fixedly connected with the sample cylinder through bolts, so that the upper cover is not convenient to disassemble.

SUMMERY OF THE UTILITY MODEL

The concrete pressure bleeding instrument aims to overcome the defects existing in the prior art, and the concrete pressure bleeding instrument can rapidly disassemble the upper cover and further improve the test efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a concrete pressure bleeding instrument comprises a base, a sample cylinder arranged on the base, an upper cover detachably and fixedly connected to the top of the sample cylinder and a piston arranged in the sample cylinder in a sliding manner, wherein a plurality of gaps are formed between the upper cover and the sample cylinder, tension rods are arranged in the gaps in a sliding manner, a stop block is fixedly arranged on the peripheral wall of one end of each tension rod, a cam is rotatably connected to the peripheral wall of the other end of each tension rod, and a rotating handle is fixedly arranged on each cam.

By adopting the technical scheme, when the device is used, the upper cover is firstly detached, then the concrete is poured into the sample cylinder, then the piston is put into the sample cylinder to enable the piston to be abutted against the top surface of the concrete, then the upper cover is buckled on the sample cylinder, the notch on the upper cover is aligned with the notch on the sample cylinder, then the tension rod is put into the notch, the cam is rotated by the rotating handle, so that the tight buckling of the upper cover and the sample cylinder is rapidly realized by the extrusion of the cam and the stop block on the upper cover and the sample cylinder, the cam is prevented from automatically rotating by the self-locking of the cam, then the piston is pushed by the hydraulic jack to move towards the base in the sample cylinder, extruding the concrete in the sample cylinder, collecting water extruded out of the concrete by using a measuring cylinder to finish measurement, the dismouting that has realized upper cover and sample section of thick bamboo so fast has further improved the device's test efficiency.

The present invention may be further configured in a preferred embodiment as: the cam is provided with a clamping plane on the profile surface, and the clamping plane is arranged at the position, farthest from the center of a circle of a base circle, of the cam.

Through adopting above-mentioned technical scheme, the cam carries out spacing to self through the joint plane, and sets up the joint plane and can make the cam exert the biggest pressure between upper cover and the sample cylinder apart from cam base circle centre of a circle farthest place, makes the lock of both inseparabler, has improved the reliability of device like this.

The present invention may be further configured in a preferred embodiment as: the cam abuts against the upper cover, and the stopper abuts against the sample tube.

Through adopting above-mentioned technical scheme, behind cam and the upper cover butt, rotatory handle will also be in the upper cover and keep away from sample section of thick bamboo one side, when using rotatory handle to drive the cam and rotate, will rotate the handle down press can, the power of exerting on the sample section of thick bamboo when rotating rotatory handle like this is towards ground, the rotation of the rotatory handle of not only being convenient for, can not influence the stability of the device moreover.

The present invention may be further configured in a preferred embodiment as: the stop block is rotatably connected with the wall of the sample tube, and the tension rod can rotate around a hinge point of the stop block and the sample tube towards the corresponding notch.

Through adopting above-mentioned technical scheme, after the experiment is accomplished, the device need dismantle the upper cover get off, through rotatory handle gyration cam this moment after, make the straining rod rotate around the pin joint of dog with the sample section of thick bamboo, in taking out the breach with the straining rod, when using the straining rod to seal the lock with the sample section of thick bamboo to the upper cover, make the straining rod rotate towards the upper cover around the pin joint of dog with the sample section of thick bamboo, be convenient for like this in the quick lock of straining rod to the breach, further improved the efficiency of upper cover dismouting.

The present invention may be further configured in a preferred embodiment as: the base is provided with a measuring cylinder box under the water draining valve, a placing opening is formed in the peripheral wall of the measuring cylinder box, and the placing opening is arranged along the axial direction of the measuring cylinder box.

Through adopting above-mentioned technical scheme, the device accomplishes experimental back, need use the graduated flask to connect and get the water of extruding in the bleeding appearance and measure the test result, sets up graduated flask box on the base, directly puts into the graduated flask box through placing the mouth with the graduated flask, can realize the graduated flask and excrete adjusting well of water valve, has made things convenient for laying of graduated flask.

The present invention may be further configured in a preferred embodiment as: a baffle I is formed between the placing opening and the top end of the measuring cylinder box, a lifting plate is sleeved in the measuring cylinder box in a sliding mode, and an elastic device is arranged between the lifting plate and the bottom of the measuring cylinder box.

Through adopting above-mentioned technical scheme, press the lifter plate, make the position of resilient means shrink lifter plate in the graduated flask reduce, then place the graduated flask on the lifter plate through placing the mouth, remove the pressing force of exerting on the lifter plate, the position of lifter plate in the graduated flask rises, the graduated flask staggers with the position of placing the mouth this moment, it will be spacing to the top of graduated flask to be located the baffle I of placing a mouthful top, make the graduated flask be difficult for falling a graduated flask box, the device use has been improved like this and has been made the security.

The present invention may be further configured in a preferred embodiment as: the edge of the lifting plate at the placing opening deviates from the bottom wall of the measuring cylinder box and is provided with a baffle II in an extending mode.

Through adopting above-mentioned technical scheme, the graduated flask is placing graduated flask box internal back, and baffle II will be spacing to the bottom of graduated flask, all fixes the top and the bottom of graduated flask through baffle I and baffle II like this, has further improved the device's security like this.

The present invention may be further configured in a preferred embodiment as: the peripheral wall of the lifting plate is fixedly connected with a sliding sheet, the peripheral wall of the measuring cylinder box is provided with a sliding groove corresponding to the sliding sheet, the sliding sheet penetrates through the sliding groove and is fixedly connected with a limiting sheet, and the limiting sheet is abutted to the outer wall of the measuring cylinder box.

Through adopting above-mentioned technical scheme, when the lifter plate slided in the graduated flask box, the slide will slide in the sliding tray in step and lead to the lifter plate, and spacing piece carries on spacingly to the slide and prevents that the slide from deviating from in the sliding tray, leads to the lifter plate to deviate from in the graduated flask box through placing the mouth, has further improved the device's reliability like this.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the self-locking of the cam, the tight buckling of the upper cover and the sample cylinder is quickly realized through the extrusion of the cam and the stop block on the upper cover and the sample cylinder, and the test efficiency of the device is improved;

2. the clamping plane is arranged at the position farthest away from the center of the cam base circle, so that the cam applies the maximum pressure between the upper cover and the sample cylinder, and the two parts are buckled more tightly;

3. the measuring cylinder is convenient to place through the measuring cylinder box, the baffle I, the lifting plate and the baffle II.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a sectional view of section B-B in fig. 2.

In the figure, 1, a base; 11. a measuring cylinder box; 111. a placement port; 112. a baffle plate I; 113. a lifting plate; 1131. a baffle II; 1132. a slide sheet; 1133. a limiting sheet; 1134. a pressing handle; 114. an elastic device; 115. a sliding groove; 116. a measuring cylinder; 2. a sample cartridge; 3. an upper cover; 4. a hydraulic jack; 5. a notch; 6. a tension bar; 61. a stopper; 62. a cam; 621. rotating the handle; 622. and clamping the plane.

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 concrete pressure bleeding appearance, including base 1, place specimen cylinder 2 on base 1, can dismantle fixed connection at the upper cover 3 at specimen cylinder 2 top and fixed connection keeps away from the hydraulic jack 4 of specimen cylinder 2 one end at upper cover 3.

Referring to fig. 1 and 2, a plurality of notches 5 are correspondingly formed between the upper cover 3 and the sample tube 2, tension rods 6 are slidably arranged in the notches 5, a stopper 61 is fixedly arranged at one end of each tension rod 6, a cam 62 is rotatably connected to the peripheral wall of the other end of each tension rod, and a rotating handle 621 is fixedly arranged on each cam 62. Cam 62 is provided with a snap-in flat 622 on its contoured surface, snap-in flat 622 being located where cam 62 is furthest from the center of its base circle. In this embodiment, three upper covers 3 and three sample cartridges 2 are provided.

Referring to fig. 2, the cam 62 abuts the upper cover 3, and the stopper 61 abuts the sample cartridge 2. The stop 61 is hinged to the wall of the sample tube 2, and the tension rod 6 can rotate around the hinge point of the stop 61 and the sample tube 2 towards the corresponding notch 5.

Referring to fig. 3, the base 1 is provided with a measuring cylinder box 11 right below the bleeding valve, a placing opening 111 is formed in the circumferential wall of the measuring cylinder box 11, and the placing opening 111 is along the axial direction of the measuring cylinder box 11. The measuring cylinder box 11 is provided with a lifting plate 113 in a sliding manner, and an elastic device 114 is arranged between the lifting plate 113 and the bottom of the measuring cylinder box 11. A baffle I112 is formed between the placing opening 111 and the top end of the measuring cylinder box 11, and a baffle II 1131 is arranged on the edge of the lifting plate 113 at the placing opening 111 and extends away from the bottom wall of the measuring cylinder box 11. In this embodiment, the elastic device 114 is a spring, two ends of the spring are respectively and fixedly connected to the bottom wall of the measuring cylinder box 11 and the lifting plate 113, and the peripheral wall of the lifting plate 113 is fixedly provided with the pressing handle 1134.

Referring to fig. 3, a sliding piece 1132 is fixedly connected to the peripheral wall of the lifting plate 113, a sliding groove 115 is formed in the peripheral wall of the measuring cylinder case 11 corresponding to the sliding piece 1132, the sliding piece 1132 penetrates through the sliding groove 115 and is fixedly connected with a limiting piece 1133, and the limiting piece 1133 abuts against the outer wall of the measuring cylinder case 11.

The implementation principle of the embodiment is as follows: when the device is used, the upper cover 3 is firstly detached, then concrete is poured into the sample cylinder 2, and then the upper cover 3 is buckled on the sample cylinder 2 to start a test; when the upper cover 3 and the sample cylinder 2 are buckled, the notch 5 on the upper cover 3 is aligned with the notch 5 on the sample cylinder 2, then the tensioning rod 6 rotates around a hinge point of the stop block 61 and the sample cylinder 2 to rotate the tensioning rod 6 into the corresponding notch 5, then the cam 62 is rotated by rotating the handle 621, the upper cover 3 and the sample cylinder 2 are tightly buckled by the extrusion of the cam 62 and the stop block 61 on the upper cover 3 and the sample cylinder 2, and when the cam 62 rotates to the clamping plane 622, the clamping plane 622 is abutted against the upper cover 3 to tightly buckle the cam 62 and the stop block 61, then the piston is pushed by the hydraulic jack 4 to move towards the base 1 in the sample cylinder 2 to extrude the concrete in the sample cylinder 2, when the pressure gauge reaches a value required by a test, the pressing handle 1134 is pressed to drive the lifting plate 113 to move towards the bottom of the vector cylinder box 11, then the measure cylinder is placed into the measure cylinder box 11 through the placing port 111, removing the pressure applied on the pressing handle 1134 to reset the lifting plate 113, fixing the measuring cylinder by the baffle I112 and the baffle II 1131, and finally opening the water draining valve to enable the water in the concrete to flow into the measuring cylinder for measurement to complete the test; finally, the cam 62 is returned by rotating the knob 621, the tension rod 6 is rotated toward the sample tube 2 around the rotational connection point with the sample tube 2, the upper cover 3 is removed, the piston is lifted out of the sample tube 2 by the lift rod, and the concrete in the sample tube 2 is cleaned.

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 concrete pressure bleeding appearance, includes base (1), places sample cylinder (2) on base (1) and can dismantle upper cover (3) of fixed connection at sample cylinder (2) top, sample cylinder (2) one end fixedly connected with hydraulic jack (4) are kept away from in upper cover (3), its characterized in that: a plurality of gaps (5) are correspondingly arranged between the upper cover (3) and the sample cylinder (2), tension rods (6) are arranged in the gaps (5) in a sliding mode, one end of each tension rod (6) is fixedly provided with a stop block (61), the peripheral wall of the other end of each tension rod is rotatably connected with a cam (62), and a rotating handle (621) is fixedly arranged on each cam (62).

2. The concrete pressure bleeding instrument according to claim 1, characterized in that: cam (62) is provided with joint plane (622) on its profile face, joint plane (622) set up cam (62) apart from its base circle centre farthest place.

3. The concrete pressure bleeding instrument according to claim 1, characterized in that: the cam (62) abuts against the upper cover (3), and the stopper (61) abuts against the sample cartridge (2).

4. The concrete pressure bleeding instrument according to claim 1, characterized in that: the stop block (61) is hinged with the wall of the sample tube (2), and the tension rod (6) can rotate around the hinged point of the stop block (61) and the sample tube (2) towards the corresponding notch (5).

5. The concrete pressure bleeding instrument according to claim 1, characterized in that: the measuring cylinder box (11) is arranged on the base (1) right below the bleeding valve, a placing opening (111) is formed in the peripheral wall of the measuring cylinder box (11), and the placing opening (111) is arranged along the axial direction of the measuring cylinder box (11).

6. The concrete pressure bleeding instrument according to claim 5, characterized in that: the novel measuring cylinder is characterized in that a baffle I (112) is formed between the placing opening (111) and the top end of the measuring cylinder box (11), a lifting plate (113) is sleeved in the measuring cylinder box (11) in a sliding mode, and an elastic device (114) is arranged between the lifting plate (113) and the bottom of the measuring cylinder box (11).

7. The concrete pressure bleeding instrument according to claim 6, characterized in that: the edge of the lifting plate (113) at the placing opening (111) deviates from the bottom wall of the measuring cylinder box (11) and is provided with a baffle II (1131) in an extending manner.

8. The concrete pressure bleeding instrument according to claim 6, characterized in that: the lifting mechanism is characterized in that a sliding piece (1132) is fixedly connected to the peripheral wall of the lifting plate (113), a sliding groove (115) is formed in the peripheral wall of the measuring cylinder box (11) corresponding to the sliding piece (1132), the sliding piece (1132) penetrates through the sliding groove (115) and is fixedly connected with a limiting piece (1133), and the limiting piece (1133) abuts against the outer wall of the measuring cylinder box (11).