CN219162154U - Slag concrete shrinkage test device - Google Patents

Abstract

The application discloses slag concrete shrinkage test device relates to slag concrete technical field. The application includes the device main part, four supporting legs of device main part lower extreme fixedly connected with, the supporting leg is two liang symmetries setting, device main part upper end is provided with first connecting plate, device main part upper end fixedly connected with second connecting plate, device main part lower extreme fixedly connected with adjusts the box, be sliding connection between adjusting box and the first connecting plate, be provided with adjustment mechanism between adjusting box and the first connecting plate, utilize the regulator mechanism of adjusting box lower extreme to drive first connection and slide in the device main part, can adjust the height of first connecting plate according to actual demand for first connecting plate and second connecting plate can carry out horizontal centre gripping with the test piece, so that use thousand chi appearance to test the test piece, increase the scope of device main part test, promote the accuracy of device main part test.

Description

Slag concrete shrinkage test device

Technical Field

The application relates to the technical field of slag concrete, in particular to a slag concrete shrinkage test device.

Background

Shrinkage of concrete refers to the decrease of apparent volume of concrete after casting molding under a sealing condition, the volume of concrete is reduced under a drying condition, the volume of concrete is expanded under a humid condition, shrinkage and cracking of concrete are important factors affecting durability of concrete, so that shrinkage condition of concrete needs to be detected, when the shrinkage condition of concrete needs to be detected, concrete needs to be detected by a concrete shrinkage test device, slag concrete is also called slag silicate concrete, which is a type of concrete,

according to the concrete shrinkage test device disclosed in the prior China publication (CN 207114544U), through a base, a first supporting seat and a second supporting seat are respectively arranged at two ends of the base in the length direction, at least two rotating rollers which are in contact with the lower surface of a concrete block are arranged between the first supporting seat and the second supporting seat, the rotating rollers are uniformly distributed along the length direction of the base, the rotating rollers are rotationally connected with the upper surface of the base, a fixed structure which is in butt joint with concrete is arranged on the first supporting seat, a digital display dial indicator which is in butt joint with a concrete ejector rod is arranged on the second supporting seat, when the concrete block is shrunk or expanded, relative rolling is generated between the rotating rollers and the concrete block, compared with static friction or sliding friction in the background art, the friction force of rolling friction is smaller, the small concrete shrinkage or expansion amount is more easily reflected on the digital display dial indicator, and the detection precision is improved.

However, in practical application, since the sizes of the concrete test blocks are mostly different in size, the support frame and the base are usually fixed, and the concrete blocks cannot be in a horizontal state due to different stress points in the process of the concrete test blocks with larger size, so that the test operation time is prolonged, the test data can be influenced, the application range of the test device is small, and the test accuracy of the device is influenced.

Disclosure of Invention

The purpose of the present application is: in order to solve the concrete test piece in-process that is great to the volume, because the stress point is different, the concrete piece can not be in the horizontality, has not only increased test operating time, can also influence test data, and test device application scope is little, influences the problem of device test accuracy, this application provides a slag concrete shrinkage test device.

The application specifically adopts the following technical scheme for realizing the purposes:

the utility model provides a slag concrete shrinkage test device, includes the device main part, four supporting legs of device main part lower extreme fixedly connected with, the supporting leg is two liang symmetries setting, device main part upper end is provided with first connecting plate, device main part upper end fixedly connected with second connecting plate, a plurality of fixed orificess has been seted up on the second connecting plate, be provided with the micrometer on the second connecting plate, looks adaptation between micrometer tip and the fixed orifices, pass through the bolt fastening between micrometer and the second connecting plate, the sliding tray has been seted up to first connecting plate side, be provided with the test piece between first connecting plate and the second connecting plate, test piece both ends fixedly connected with test nail, one of them looks adaptation between test nail and the sliding tray, wherein another test nail is inconsistent with the micrometer tip, device main part lower extreme fixedly connected with adjustment box, be sliding connection between adjustment box and the first connecting plate, be provided with adjustment mechanism between adjustment box and the first connecting plate.

Through adopting above-mentioned technical scheme, utilize the regulator mechanism of regulating box lower extreme to drive first connection and slide in the device main part, can adjust the height of first connecting plate according to actual demand for first connecting plate and second connecting plate can carry out horizontal centre gripping with the test piece, so that use thousand-gauge to test the test piece, increase the scope of device main part test, promote the accuracy of device main part test.

Further, adjustment mechanism includes threaded rod of threaded connection at the regulation box lower extreme, the threaded rod runs through the regulation box, be connected for rotating between threaded rod and the first connecting plate, threaded rod lower extreme fixedly connected with adjusts the handle, be provided with the subassembly of making level between first connecting plate and the second connecting plate.

Through adopting above-mentioned technical scheme, utilize the handle to drive the threaded rod and pass through the leveling subassembly, can be quick will be located the test block before first connecting plate and the second connecting plate and adjust to the horizontality to use thousand chi appearance to test the test block.

Further, the leveling assembly comprises a connecting frame hinged to the side face of the second connecting plate, a level is fixedly connected to the side face of the connecting frame, the other end of the level is connected with the first connecting plate through the connecting assembly, and the upper end of the level is fixedly connected with the leveling frame.

Through adopting above-mentioned technical scheme, utilize the leveling board on the spirit level can make things convenient for the test block to adjust, for the adjustment of test block provides data for the test block can be more accurate leveling.

Further, the connecting assembly comprises a connecting rod fixedly connected to the end part of the level, a sliding block is fixedly connected to the end part of the connecting rod, the sliding block is in sliding connection with the first connecting plate, a connecting groove is formed in the side face of the first connecting plate, a threaded column is in threaded connection with the side face of the sliding block, and threaded connection is formed between the end part of the threaded column and the connecting groove.

Through adopting above-mentioned technical scheme, utilize sliding block and screw thread post of connecting rod tip, can fix between first connecting plate and the spirit level of accomplishing the regulation, make things convenient for first connecting plate and second connecting plate to fix the test block to thousand chi appearance test data of being convenient for.

Further, sliding wheels are arranged on two sides of the inner wall of the adjusting box, sliding grooves are formed in two sides of the first connecting plate, and the sliding wheels are located in the sliding grooves.

Through adopting above-mentioned technical scheme, utilize the movable pulley to slide in the spout, can reduce the frictional force between regulation box and the first connecting plate for gliding more smooth and easy between first connecting plate and the regulation box.

Further, the device main part lower extreme is provided with the diaphragm, diaphragm upper end fixedly connected with electric putter, the electric putter upper end is provided with places the board, the through-hole has been seted up to the device main part upper end, place and be sliding connection between board and the through-hole.

Through adopting above-mentioned technical scheme, utilize electric putter to promote on the diaphragm to place the board, can hold up the test block from device main part lower extreme for first connecting plate and second connecting plate can be more convenient carry out the level with the test block and fix, the skew of the position that takes place when preventing that the test block is fixed improves the detection precision when the test block is experimental.

Further, the protection plates are fixedly connected to two sides of the placement plate and symmetrically arranged.

Through adopting above-mentioned technical scheme, utilize the guard plate of placing on the board can increase the test piece and place the area of contact between the board for place the board and can more stably hold up the test piece.

Further, the placing plate and the inner wall of the protection plate are fixedly connected with contact plates.

Through adopting above-mentioned technical scheme, when utilizing the contact plate of placing board and guard plate inner wall and test block contact, can protect the test block, reduce the test block and place wearing and tearing that produce when contact between board, guard plate and the test block.

In summary, the present application includes at least one of the following beneficial effects:

1. according to the device, when the concrete shrinkage is required to be subjected to test, the adjuster mechanism at the lower end of the adjusting box is utilized to drive the first connection to slide on the device main body, the height of the first connecting plate can be adjusted according to actual requirements, the first connecting plate and the second connecting plate can be used for horizontally clamping the test block, so that the test block is conveniently tested by using the thousand-gauge, the testing range of the device main body is increased, and the testing accuracy of the device main body is improved.

2. The application utilizes electric putter promotes on the diaphragm to place the board, can hold up the test block from device main part lower extreme for first connecting plate and second connecting plate can be more convenient carry out the level with the test block and fix, the position deviation that takes place when preventing that the test block is fixed improves the detection precision when the test block is experimental.

Drawings

Fig. 1 is a first perspective view of the present application.

Fig. 2 is a second perspective view of the present application.

Fig. 3 is a cross-sectional view of the pod cartridge of the present application.

Fig. 4 is an enlarged view of a portion a of fig. 2 in the present application.

Fig. 5 is an enlarged view of a portion B of fig. 1 in the present application.

Reference numerals illustrate:

1. a device body; 2. support legs; 3. a first connection plate; 4. a second connecting plate; 5. a micrometer; 6. a test block; 7. testing nails; 8. an adjustment box; 9. an adjusting mechanism; 91. a threaded rod; 92. adjusting the handle; 93. a leveling assembly; 931. a connecting frame; 932. a level gauge; 933. leveling rack; 94. a connection assembly; 941. a connecting rod; 943. a sliding block; 944. a connecting groove; 945. a threaded column; 95. a sliding wheel; 96. a chute; 10. a cross plate; 11. an electric push rod; 12. placing a plate; 13. a protection plate; 14. and a contact plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a slag concrete shrinkage test device.

Referring to fig. 1 and 2, a slag concrete shrinkage test device, including device main part 1, device main part 1 lower extreme fixedly connected with four supporting legs 2, supporting legs 2 are two liang symmetrical setting, device main part 1 upper end is provided with first connecting plate 3, device main part 1 upper end fixedly connected with second connecting plate 4, a plurality of fixed orificess has been seted up on the second connecting plate 4, be provided with micrometer 5 on the second connecting plate 4, the looks adaptation between micrometer 5 tip and the fixed orifices, pass through the bolt fastening between micrometer 5 and the second connecting plate 4, the sliding tray has been seted up to first connecting plate 3 side, be provided with test block 6 between first connecting plate 3 and the second connecting plate 4, test block 6 both ends fixedly connected with test nail 7, the looks adaptation between one of them test nail 7 and the sliding tray, wherein another test nail 7 is inconsistent with micrometer 5 tip, device main part 1 lower extreme fixedly connected with adjusting box 8, be sliding connection between adjusting box 8 and the first connecting plate 3, be provided with adjustment mechanism 9 between adjusting box 8 and the first connecting plate 3. When the concrete shrinkage is required to be tested, the test nail 7 at one end of the test block 6 is placed in the sliding groove, the test rod slides along the sliding groove with the test block 6, after the test rod is positioned at a proper position, the end part of the micrometer 5 is inserted into the fixing hole at the proper position, then the height of the first connecting plate 3 is adjusted by the adjusting component, so that the first connecting plate 3 can level the test block 6, then the end part of the level 932 is abutted against the test block 6, the level 932 is fixed on the first connecting plate 3 by using bolts, and then the test can be started.

Referring to fig. 2 and 3, the adjustment mechanism 9 includes a threaded rod 91 that is screwed to the lower end of the adjustment box 8, the threaded rod 91 penetrates through the adjustment box 8, the threaded rod 91 is rotatably connected with the first connecting plate 3, the lower end of the threaded rod 91 is fixedly connected with an adjustment handle 92, and a leveling component 93 is disposed between the first connecting plate 3 and the second connecting plate 4. When the first connecting plate 3 needs to be adjusted, the adjusting handle 92 is rotated, so that the adjusting handle 92 drives the threaded rod 91, the threaded rod 91 pushes the first connecting plate 3 to slide on the adjusting box 8, and meanwhile, the leveling assembly 93 is observed until the threaded rod 91 levels the test block 6, and then the rotation is stopped.

Referring to fig. 2 and 4, the leveling assembly 93 includes a connecting frame 931 hinged to a side surface of the second connecting plate 4, a level 932 is fixedly connected to a side surface of the connecting frame 931, the other end of the level 932 is connected to the first connecting plate 3 through a connecting assembly 94, and a leveling frame 933 is fixedly connected to an upper end of the level 932. When the leveling of the test block 6 is required, the leveling frame 933 at the upper end of the level 932 is close to the test block 6, so that the test block 6 and the level 932 are kept horizontal, then the level 932 and the first connecting plate 3 are fixed by using the connecting assembly 94, and then the first connecting plate 3 is adjusted by observing the level 932 until the test pattern is leveled.

Referring to fig. 2 and 4, the connection assembly 94 includes a connection rod 941 fixedly connected to an end of the level 932, a sliding block 943 is fixedly connected to an end of the connection rod 941, the sliding block 943 is slidably connected to the first connecting plate 3, a connection groove 944 is formed in a side surface of the first connecting plate 3, a threaded column 945 is screwed to a side surface of the sliding block 943, and a threaded connection is formed between an end of the threaded column 945 and the connection groove 944. When the level 932 and the first connecting plate 3 are required to be fixed, the leveling frame 933 at the upper end of the level 932 is close to the test block 6, so that the leveling frame 933 on the level 932 and the test block 6 are kept horizontal, then the threaded column 945 is rotated, the end part of the threaded column 945 extends into the connecting groove 944, the sliding block 943 and the first connecting plate 3 are fixed, then the first connecting plate 3 is adjusted, the level 932 is observed until the first connecting plate 3 levels the test block 6, the leveling of the test block 6 can be completed, and when the leveling is required to be adjusted again, the threaded column 945 is rotated, so that the end part of the threaded column 945 and the connecting groove 944 are separated, and then the level 932 and the first connecting rod 941 are separated.

Referring to fig. 3, sliding wheels 95 are installed on two sides of the inner wall of the adjusting box 8, sliding grooves 96 are formed on two sides of the first connecting plate 3, and the sliding wheels 95 are located in the sliding grooves 96. When the threaded rod 91 is used to adjust the first connecting plate 3, the first connecting plate 3 slides in the adjusting box 8, so that the sliding wheel 95 slides in the sliding groove 96, friction force between the adjusting box 8 and the first connecting plate 3 can be reduced, and sliding between the first connecting plate 3 and the adjusting box 8 is smoother.

Referring to fig. 1 and 2, a transverse plate 10 is provided at the lower end of a device body 1, an electric push rod 11 is fixedly connected to the upper end of the transverse plate 10, a placing plate 12 is provided at the upper end of the electric push rod 11, a through hole is provided at the upper end of the device body 1, and the placing plate 12 is in sliding connection with the through hole. When the test block 6 needs to be subjected to test, the electric push rod 11 is started firstly so that the electric push rod 11 pushes the placing plate 12, the placing plate 12 is lifted to a proper position, then the test block 6 is placed on the placing plate 12, the first connecting plate 3 and the second connecting plate 4 are used for fixing the test block 6, the first connecting plate 3 and the second connecting plate 4 can be used for fixing the test block 6 horizontally more conveniently, the position deviation of the test block 6 during fixing is prevented, and the detection precision of the test block 6 during test is improved.

Referring to fig. 1 and 2, guard plates 13 are fixedly connected to both sides of the placement plate 12, and the guard plates 13 are symmetrically arranged. When placing the test block 6 on the placing plate 12, the protection plates 13 on two sides of the placing plate 12 can protect the test block 6, so that the displacement of the test block 6 is reduced when the test block 6 is fixed, and the protection effect of the placing plate 12 is improved.

Referring to fig. 5, the contact plates 14 are fixedly connected to the inner walls of the placement plate 12 and the protection plate 13. The contact plate 14 is made of rubber, and when the test block 6 is placed on the placing plate 12, the contact plate 14 can protect the test block 6 and reduce abrasion generated when the test block 6 contacts with the placing plate 12, the protection plate 13 and the test block 6 when the contact plate 14 contacts with the test block 6.

Working principle:

when the concrete shrinkage is required to be tested, the test nail 7 at one end of the test block 6 is placed in the sliding groove, the test rod slides along the sliding groove with the test block 6, after the test rod is positioned at a proper position, the leveling frame 933 at the upper end of the level 932 is close to the test block 6, the leveling frame 933 on the level 932 and the test block 6 are kept horizontal, then the threaded post 945 is rotated, the end part of the threaded post 945 extends into the connecting groove 944, the sliding block 943 and the first connecting plate 3 are fixed, then the first connecting plate 3 is adjusted, the level 932 is observed until the first connecting plate 3 levels the test block 6, the leveling of the test block 6 can be completed, when the leveling is required to be adjusted again, the threaded post 945 is rotated, the end part of the threaded post 945 is separated from the connecting groove 944, then the level 932 is separated from the first connecting rod 941, the adjusting handle 92 is rotated, the adjusting handle 92 drives the threaded rod 91, the threaded rod 91 is pushed to slide on the adjusting box 8, and meanwhile, the first connecting plate 3 is adjusted, and the leveling assembly 93 is observed until the first connecting plate 91 stops rotating the test block 6.

Simultaneously, open electric putter 11 and make electric putter 11 promote and place board 12, will place board 12 and go up and down to suitable position, then place test piece 6 and place on board 12, reuse first connecting plate 3 and second connecting plate 4 are fixed test piece 6 for first connecting plate 3 and second connecting plate 4 can be more convenient carry out the level with test piece 6 and fix, prevent the position deviation that takes place when test piece 6 is fixed, improve the detection precision when test piece 6 is experimental.

Claims (8)

1. The utility model provides a slag concrete shrinkage test device, includes device main part (1), four supporting legs (2) of device main part (1) lower extreme fixedly connected with, supporting leg (2) are two liang of symmetries setting, device main part (1) upper end is provided with first connecting plate (3), device main part (1) upper end fixedly connected with second connecting plate (4), a plurality of fixed orificess have been seted up on second connecting plate (4), be provided with micrometer (5) on second connecting plate (4), looks adaptation between micrometer (5) tip and the fixed orifices, through the bolt fastening between micrometer (5) and second connecting plate (4), the sliding tray has been seted up to first connecting plate (3) side, be provided with test piece (6) between first connecting plate (3) and the second connecting plate (4), test piece (6) both ends fixedly connected with test nail (7), one of them looks adaptation between test nail (7) and the sliding tray, and wherein another test nail (7) are inconsistent with micrometer (5) tip, and its characteristic lies in: the device is characterized in that an adjusting box (8) is fixedly connected to the lower end of the device body (1), the adjusting box (8) is in sliding connection with the first connecting plate (3), and an adjusting mechanism (9) is arranged between the adjusting box (8) and the first connecting plate (3).

2. The slag concrete shrinkage test apparatus as set forth in claim 1, wherein: the adjusting mechanism (9) comprises a threaded rod (91) which is connected to the lower end of the adjusting box (8) in a threaded mode, the threaded rod (91) penetrates through the adjusting box (8), the threaded rod (91) is connected with the first connecting plate (3) in a rotating mode, an adjusting handle (92) is fixedly connected to the lower end of the threaded rod (91), and a leveling assembly (93) is arranged between the first connecting plate (3) and the second connecting plate (4).

3. The slag concrete shrinkage test apparatus as set forth in claim 2, wherein: the leveling assembly (93) comprises a connecting frame (931) hinged to the side face of the second connecting plate (4), a level (932) is fixedly connected to the side face of the connecting frame (931), the other end of the level (932) is connected with the first connecting plate (3) through a connecting assembly (94), and the upper end of the level (932) is fixedly connected with the leveling frame (933).

4. A slag concrete shrinkage test apparatus according to claim 3, wherein: coupling assembling (94) are including connecting rod (941) of fixed connection at spirit level (932) tip, connecting rod (941) tip fixedly connected with sliding block (943), be sliding connection between sliding block (943) and first connecting plate (3), spread groove (944) have been seted up to first connecting plate (3) side, sliding block (943) side threaded connection has screw post (945), be threaded connection between screw post (945) tip and spread groove (944).

5. A slag concrete shrinkage test apparatus according to claim 3, wherein: sliding wheels (95) are arranged on two sides of the inner wall of the adjusting box (8), sliding grooves (96) are formed in two sides of the first connecting plate (3), and the sliding wheels (95) are located in the sliding grooves (96).

6. The slag concrete shrinkage test apparatus as set forth in claim 1, wherein: the device is characterized in that a transverse plate (10) is arranged at the lower end of the device body (1), an electric push rod (11) is fixedly connected to the upper end of the transverse plate (10), a placing plate (12) is arranged at the upper end of the electric push rod (11), a through hole is formed in the upper end of the device body (1), and the placing plate (12) is in sliding connection with the through hole.

7. The slag concrete shrinkage test apparatus as set forth in claim 6, wherein: the two sides of the placing plate (12) are fixedly connected with protection plates (13), and the protection plates (13) are symmetrically arranged.

8. The slag concrete shrinkage test apparatus as set forth in claim 6, wherein: the inner walls of the placing plate (12) and the protection plate (13) are fixedly connected with a contact plate (14).

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