CN210119414U

CN210119414U - Slump tester

Info

Publication number: CN210119414U
Application number: CN201920820773.2U
Authority: CN
Inventors: 程汇雯
Original assignee: Tianjin Hongye Construction Group Co ltd
Current assignee: Tianjin Hongye Construction Group Co ltd
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-02-28
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a slump tester belongs to concrete performance test equipment technical field, its technical scheme main points are including the bottom plate, be provided with slump section of thick bamboo body on the bottom plate, two promotion handles of fixedly connected with on the surface of slump section of thick bamboo body, promote the axis symmetry of handle about slump section of thick bamboo body, the top surface of bottom plate is provided with lifting unit, lifting unit includes lead screw and screw, the vertical setting of lead screw, and be provided with two, and the axis symmetry about slump section of thick bamboo body of lead screw, the bottom and the relative rotation of bottom plate of lead screw are connected, the top of lead screw is connected with makes two synchronous subassemblies that the lead screw rotated simultaneously, the screw passes lead screw and lead screw threaded connection, the screw is connected with slump section of thick bamboo body outer peripheral face, the even effect of atress when reaching slump section of thick bamboo body rebound.

Description

Slump tester

Technical Field

The utility model relates to a concrete performance test equipment field, in particular to slump tester.

Background

Slump refers to the workability of concrete, including the water retention, fluidity and cohesiveness of the concrete, and a concrete slump cone is a special device for detecting the slump of the concrete. Slump test method: the concrete is tamped after being poured into a horn-shaped slump cone with an upper opening of 100mm, a lower opening of 200mm and a height of 300mm, then the slump cone is vertically pulled upwards, the concrete cannot be touched in the pulling process so as not to influence measurement data, the concrete generates a slump phenomenon due to self weight, and the height of the highest point of the slump cone is subtracted by the cone height (300mm) of the slump cone, namely the height difference between the front and the rear of the concrete slump, which is called slump.

The existing Chinese patent with reference to the publication No. CN204044026U discloses a concrete slump tester, which comprises a bottom plate, wherein a hollow round table-shaped slump cone body is arranged on the bottom plate, handles are symmetrically arranged on the upper part of the outer surface of the slump cone body, foot pedals are symmetrically and fixedly connected to the outer side of the lower part of the slump cone body, the bottom surfaces of the two foot pedals and the bottom surface of the slump cone body are positioned on the same plane, a rubber gasket is arranged at the contact part of the slump cone body and the bottom plate, the slump cone body is placed on the bottom plate padded with the rubber gasket during use, the foot pedals and the bottom plate are fixed together through screws and nuts, and then concrete is filled into the slump cone body.

However, when mentioning slump cone body, lean on operating personnel to rely on experience to mention slump cone body is vertical usually, and operating personnel can not exert oneself evenly when lifting slump cone body, and the atress is inhomogeneous when making slump cone body rebound, leads to mentioning behind the slump cone body, and the height when the concrete slump receives the influence to influence slump test result.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a slump tester reaches the even effect of atress when a slump section of thick bamboo body rebound.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a slump tester, comprising a base plate, be provided with slump cone body on the bottom plate, two handles of fixedly connected with on the surface of slump cone body, the axis symmetry of handle about slump cone body, the top surface of bottom plate is provided with lifting unit, lifting unit includes lead screw and screw, the vertical setting of lead screw, and be provided with two, and the lead screw is symmetrical about slump cone body's axis, the bottom and the relative rotation of bottom plate of lead screw are connected, the top of lead screw is connected with makes two synchronous subassemblies of lead screw pivoted simultaneously, the screw passes lead screw and lead screw threaded connection, the screw is connected with slump cone body outer peripheral face.

By adopting the technical scheme, the lead screw is vertically positioned at the position of the slump cone body which is symmetrical to the axis, and the screw nut is connected with the screw rod through screw threads and is connected with the outer surface of the slump cone body, when the screw rod is rotated, the screw nut can drive the slump cone body to move along the axial direction of the screw rod, the screw rod is positioned at the axial line symmetrical position of the slump cone body, so that when the screw drives the slump cone body to move upwards, the slump cone body can be ensured to move vertically and be stressed uniformly, meanwhile, the rocking generated when the slump cone body moves can be reduced, the stability of the slump cone body when moving is ensured, the top end of the lead screw is connected with a synchronous component, the lead screw is ensured to rotate simultaneously, thereby guarantee slump section of thick bamboo body both sides application of force simultaneously, further improved the even condition of slump section of thick bamboo body atress, reach the even effect of atress when improving slump section of thick bamboo body and promote.

The utility model discloses further set up to, synchronizing assembly includes band pulley and hold-in range, and the band pulley is equipped with two to be located the top of two lead screws respectively, and band pulley and lead screw fixed connection, hold-in range and two band pulley meshes.

Through adopting above-mentioned technical scheme, the hold-in range is used with the band pulley cooperation, and it is steady to have the transmission, and characteristics that transmission efficiency is high then guarantee that two lead screws can rotate simultaneously, guarantee to the simultaneous application of force of slump cone body both sides, and the atress is even when making slump cone body rise, improves the accuracy of slump survey.

The utility model discloses further set up to, be connected with the support frame on the lead screw, the support frame is cube frame construction, and the lead screw is vertical to be connected with the bottom rotation of support frame after passing the support frame, and the top of lead screw is located the top of support frame to rotate with the support frame and be connected.

Through adopting above-mentioned technical scheme, lead screw connection has the support frame, and the support frame rotates with the lead screw to be connected, improves the stability when the lead screw rotates to reduce rocking that produces when the slump cone body rises, improve the stability when the slump cone body rises, the atress is even when making the slump cone body rise, improves the accuracy of slump survey.

The utility model discloses further set up to, the first stationary blade of bottom fixedly connected with of support frame, first stationary blade level sets up, and threaded connection has first bolt on the first stationary blade, and first bolt passes first stationary blade and bottom plate threaded connection.

Through adopting above-mentioned technical scheme, the support frame passes through first stationary blade and first bolt fixed connection with the bottom plate, when guaranteeing that the support frame is connected firmly, also is convenient for dismantle the support frame from the bottom plate, portable improves the convenience when in-service use.

The utility model discloses further set up to, coupling assembling includes connecting rod and go-between, and the go-between cover is established on the outer peripheral face of slump cone body to with slump cone body fixed connection, the connecting rod level sets up, and be in the position of slump cone body axis symmetry, the one end of connecting rod and the outer peripheral face fixed connection of go-between, the other end can be dismantled with the screw and be connected.

Through adopting above-mentioned technical scheme, go-between and slump section of thick bamboo body fixed connection, the connecting rod is connected with the go-between, and simultaneously, the connecting rod can be dismantled with the screw again and be connected, then the screw removes along the lead screw axis, can drive the connecting rod, go-between and slump section of thick bamboo body remove, upwards lift up slump section of thick bamboo body, and the connecting rod is in the position of slump section of thick bamboo body axis symmetry, can make slump section of thick bamboo body atress even, stability when improving slump section of thick bamboo body and removing, thereby improve the measuring degree of accuracy.

The utility model discloses further set up to, be provided with fixed subassembly between screw and the connecting rod, fixed subassembly is including solid fixed ring and fixing bolt, and solid fixed ring is close to one side fixed connection of connecting rod with the screw, and the axis coincidence of solid fixed ring's axis and connecting rod, solid fixed ring's inner wall diameter is the same with connecting rod outer wall diameter, and fixing bolt is vertical to pass solid fixed ring and connecting rod, will gu fixed ring and connecting rod fixed connection.

Through adopting above-mentioned technical scheme, screw and connecting rod are connected through solid fixed ring and fixing bolt, connect firmly, and it is convenient to dismantle, after the measurement, is convenient for remove fixing bolt's fixed, takes out the connecting rod from the stationary ring in, with whole device split, reduces area occupied, improves the convenience when using.

This practicality further sets up to, the top fixedly connected with handle of lead screw, and the cover is equipped with the skid resistant course of rubber material on hand.

Through adopting above-mentioned technical scheme, lead screw top fixedly connected with handle, handheld handle rotate the lead screw, easy operation, and convenient, and be equipped with the skid resistant course on hand, increase the frictional force between operating personnel's hand and the handle, be convenient for to the handle application of force, convenience when improving actual operation.

The utility model discloses further set up to, the bottom fixed connection of bottom plate has horizontally second stationary blade, and threaded connection has the second bolt with stationary blade and ground fixed connection on the second stationary blade.

Through adopting above-mentioned technical scheme, the bottom plate passes through second stationary blade and second bolt and ground fixed connection, can increase the stability of bottom plate to reduce slump section of thick bamboo body and take place to remove, improve the stability of slump section of thick bamboo body, improve the measurement accuracy of slump.

To sum up, the utility model discloses following beneficial effect has:

1. the bottom plate is provided with two lifting assemblies, and the two screw rods are arranged at the positions symmetrical to the axis of the slump cone body, so that the slump cone body can be uniformly stressed while the slump cone body is lifted to move upwards, and the slump test accuracy is improved;

2. the top ends of the lead screws are provided with the synchronous assemblies, so that the two lead screws can be ensured to rotate simultaneously, force can be simultaneously applied to two sides of the slump cone body, the force is uniformly applied when the slump cone body rises, and the accuracy of slump measurement is improved;

3. the bottom plate passes through second stationary blade and second bolt and ground fixed connection, can increase the stability of bottom plate to reduce slump section of thick bamboo body and take place to remove, improve the stability of slump section of thick bamboo body, improve the measurement accuracy of slump.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of the construction intended to clearly show the lifting assembly;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

Reference numerals: 1. a base plate; 11. a second fixing sheet; 111. a second bolt; 2. a slump cone body; 21. lifting the handle; 3. a lifting assembly; 31. a lead screw; 311. a support frame; 3111. a first fixing sheet; 3112. a first bolt; 312. rotating the handle; 3121. an anti-slip layer; 32. a nut; 4. a connecting assembly; 41. a connecting rod; 42. a connecting ring; 5. a synchronization component; 51. a pulley; 52. a synchronous belt; 6. a fixing assembly; 61. a fixing ring; 62. fixing the bolt; 7. and (4) the ground.

Detailed Description

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

The utility model provides a slump tester, as shown in fig. 1, including bottom plate 1, settle on the bottom plate 1 has a slump cone body 2, and slump cone body 2 is connected with coupling assembling 4, is connected with lifting unit 3 on the bottom plate 1, and lifting unit 3 is located the both sides of 2 axis directions of slump cone body, and lifting unit 3 is connected with coupling assembling 4, and lifting unit 3 drives coupling assembling 4 and reciprocates to it reciprocates to drive slump cone body 2.

As shown in fig. 1, the bottom plate 1 is horizontally disposed, a second fixing plate 11 is fixedly connected to the bottom end of the bottom plate 1, four second fixing plates 11 are arranged, the four second fixing plates are respectively horizontally located at four corners of the bottom plate 1, a side surface of each second fixing plate 11 is fixedly connected to a side surface of the bottom plate 1, a vertical second bolt 111 is arranged on each second fixing plate 11, and each second bolt 111 penetrates through each second fixing plate 11 to fixedly connect the corresponding fixing plate to the ground 7. The central point that slump section of thick bamboo body 2 is located bottom plate 1 puts, fixedly connected with promotes handle 21 on the outer peripheral face of slump section of thick bamboo body 2, promotes handle 21 and is provided with two, and two promote the axis symmetry of handle 21 about slump section of thick bamboo body 2.

Pour into slump section of thick bamboo body 2 with the concrete to with the concrete compaction, then handheld promotion is vertical upwards pulled out a slump section of thick bamboo, with the height of test concrete, thereby acquires the slump of concrete.

As shown in fig. 2, a support frame 311 is arranged on the bottom plate 1, two support frames 311 are arranged, the two support frames 311 are symmetrical about the axis of the slump cone body 2, the support frame 311 is of a cubic frame structure, the support frame 311 is vertically arranged on the bottom plate 1, a first fixing plate 3111 is fixedly connected to the bottom end of the support frame 311, the first fixing plate 3111 is provided with four fixing plates, the four fixing plates are respectively arranged at the bottom ends of the two support frames 311, a first bolt 3112 is connected to the first fixing plate 3111, the first bolt 3112 vertically penetrates through the first fixing plate 3111 and then is connected with the bottom plate 1 through bolts, and the support frame 311 is fixedly connected with the.

As shown in fig. 2, the lifting assembly 3 includes a screw 31 and a nut 32, the screw 31 is provided with two screws and is respectively vertically located on two support frames 311, and the screw 31 is symmetrical with respect to the axis of the slump cone body 2, the bottom end of the screw 31 is rotatably connected with the bottom end of the support frame 311, and the screw 31 is connected with the nut 32 by a bolt, the top end of the screw 31 is located above the support frame 311, the top end of the screw 31 is fixedly connected with a rotating handle 312, and the rotating handle 312 is fixedly connected with an anti-slip layer 3121 (refer to fig. 3) made of rubber. The nut 32 is located in the support frame 311 and is abutted against the inner wall of the support frame 311, and the nut 32 is connected with the slump cone body 2 through the connecting component 4.

As shown in fig. 2, a synchronizing assembly 5 is disposed between the two lead screws 31, the synchronizing assembly 5 includes two belt wheels 51 and a timing belt 52, the two belt wheels 51 are respectively located at the top ends of the two lead screws 31, the belt wheels 51 are fixedly connected with the lead screws 31, and the timing belt 52 is engaged with the two belt wheels 51.

Handheld rotation handle 312 rotates lead screw 31, then lead screw 31 rotates and drives screw 32 and remove along the lead screw 31 direction, and screw 32 is connected with slump section of thick bamboo body 2 to can drive slump section of thick bamboo body 2 rebound, lift slump section of thick bamboo body 2.

As shown in fig. 2, the connection assembly 4 includes a connection rod 41 and a connection ring 42, the connection ring 42 is sleeved on the outer peripheral surface of the slump cone body 2 and is fixedly connected to the slump cone body 2, two connection rods 41 are provided, the connection rods 41 are horizontally arranged, the two connection rods 41 are symmetrical with respect to the axis of the slump cone body 2, one end of each connection rod 41 is fixedly connected to the outer wall of the connection ring 42, and a fixing assembly 6 (refer to fig. 4) is provided between the other end of each connection rod 41 and the screw 32.

As shown in fig. 4, the fixing unit 6 includes a fixing ring 61 and a fixing bolt 62, the fixing ring 61 is fixedly connected to the screw 32, an axis of the fixing ring 61 coincides with an axis of the connecting rod 41, an inner wall diameter of the fixing ring 61 is the same as that of the connecting rod 41, and the fixing bolt 62 vertically penetrates through the fixing ring 61 and is bolted to the fixing ring 61.

The one end that slump section of thick bamboo body 2 was kept away from to connecting rod 41 is located fixed ring 61, makes fixing bolt 62 vertically pass fixed ring 61 and connecting rod 41, with fixed ring 61 and connecting rod 41 fixed connection to make screw 32 and slump section of thick bamboo body 2 relatively fixed.

The utility model discloses a use as follows:

when the slump testing device is used, firstly, concrete to be tested is put into the slump cylinder body 2, and the concrete in the slump cylinder body 2 is compacted; then, the handle 312 is rotated by holding, so that one of the lead screws 31 is rotated, and the two lead screws 31 are simultaneously rotated through the belt pulley 51 and the synchronous belt 52, so that the two nuts 32 can synchronously move upwards; then, the screw 32 moves along the axial direction of the screw 31, the slump cone body 2 is driven by the connecting rod 41 and the connecting ring 42 to move upwards together until the slump cone body 2 completely leaves the concrete, and finally, the height of the concrete is measured.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a slump tester, includes bottom plate (1), is provided with slump cone body (2) on bottom plate (1), and two fixedly connected with promote handle (21) on the surface of slump cone body (2), promote handle (21) about the axis symmetry of slump cone body (2), its characterized in that: the top surface of bottom plate (1) is provided with lifting unit (3), lifting unit (3) are including lead screw (31) and screw (32), lead screw (31) vertical setting, and be provided with two, and lead screw (31) are symmetrical about the axis of slump section of thick bamboo body (2), the bottom and bottom plate (1) relative rotation of lead screw (31) are connected, the top of lead screw (31) is connected with makes two synchronous subassembly (5) of lead screw (31) pivoted simultaneously, screw (32) pass lead screw (31) and lead screw (31) threaded connection, screw (32) are connected with slump section of thick bamboo body (2) outer peripheral face.

2. The slump tester as claimed in claim 1, wherein: synchronous component (5) are equipped with two including band pulley (51) and hold-in range (52), band pulley (51) to be located the top of two lead screws (31) respectively, and band pulley (51) and lead screw (31) fixed connection, hold-in range (52) and two band pulley (51) meshing.

3. The slump tester as claimed in claim 1, wherein: the lead screw (31) is connected with a support frame (311), the support frame (311) is of a cubic frame structure, the lead screw (31) vertically penetrates through the support frame (311) and then is rotatably connected with the bottom end of the support frame (311), and the top end of the lead screw (31) is located above the support frame (311) and is rotatably connected with the support frame (311).

4. The slump tester according to claim 3, wherein: the first stationary blade (3111) of bottom fixedly connected with of support frame (311), first stationary blade (3111) level setting, threaded connection has first bolt (3112) on first stationary blade (3111), and first bolt (3112) pass first stationary blade (3111) and bottom plate (1) threaded connection.

5. The slump tester as claimed in claim 1, wherein: be provided with coupling assembling (4) between screw (32) and slump section of thick bamboo body (2), coupling assembling (4) are including connecting rod (41) and go-between (42), go-between (42) cover is established on the outer peripheral face of slump section of thick bamboo body (2), and with slump section of thick bamboo body (2) fixed connection, connecting rod (41) level sets up, and be in the position of slump section of thick bamboo body (2) axis symmetry, the outer peripheral face fixed connection of the one end of connecting rod (41) and go-between (42), the other end can be dismantled with screw (32) and be connected.

6. The slump tester as claimed in claim 5, wherein: be provided with between screw (32) and connecting rod (41) fixed subassembly (6), fixed subassembly (6) are including solid fixed ring (61) and fixing bolt (62), gu fixed ring (61) is close to one side fixed connection of connecting rod (41) with screw (32), the axis of gu fixed ring (61) and the axis coincidence of connecting rod (41), the inner wall diameter of gu fixed ring (61) is the same with connecting rod (41) outer wall diameter, fixing bolt (62) are vertical to be passed gu fixed ring (61) and connecting rod (41), gu fixed ring (61) and connecting rod (41) fixed connection.

7. The slump tester as claimed in claim 1, wherein: the top end of the screw rod (31) is fixedly connected with a rotating handle (312), and an anti-slip layer (3121) made of rubber is sleeved on the rotating handle (312).

8. The slump tester as claimed in claim 1, wherein: the bottom end of the bottom plate (1) is fixedly connected with a horizontal second fixing plate (11), and a second bolt (111) for fixedly connecting the fixing plate with the ground (7) is connected to the second fixing plate (11) in a threaded manner.