Device for making semi-grouted sleeve joint test specimens

Abstract

The application relates to the field of building construction, in particular to a device for manufacturing semi-grouting sleeve joint test pieces, steel fixing devices and sleeve fixing devices are arranged between two vertical rods, and the bottom of the two vertical rods is connected through a positioning plate; the steel fixing device comprises a steel fixing plate and a steel clamping plate, steel clamping grooves are arranged on the steel fixing plate at intervals, and the steel fixing plate is connected with the steel clamping plate through a bolt one; the sleeve fixing device comprises a sleeve fixing plate and a sleeve clamping plate, sleeve clamping grooves are arranged on the sleeve fixing plate at positions corresponding to the steel clamping grooves, and the sleeve fixing plate is connected with the sleeve clamping plate through a bolt two; long holes one are arranged on the positioning plate at positions corresponding to the steel clamping grooves at intervals; screws are arranged at the two ends of the steel fixing plate, and long holes two are arranged on the vertical rod at positions corresponding to the screws. The application can simultaneously manufacture multiple groups of semi-grouting sleeve test pieces, greatly improves the manufacturing efficiency, can manufacture centering joint test pieces and offset joint test pieces, and has a wide application range.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building construction, in particular to a device for manufacturing semi-grouting sleeve joint test pieces. BACKGROUND

[0002] In the production process of prefabricated components, the number and frequency of semi-grouting sleeves used are relatively wider. Both the project department and the prefabricated component production enterprise need to manufacture semi-grouting sleeve test pieces that meet the submission requirements. The traditional manufacturing process not only consumes a lot of time, but also consumes certain labor costs, and the manufacturing efficiency is very low.

[0003] The existing patent CN212008049U discloses a semi-grouting sleeve test piece grouting frame of assembly structure, which comprises an upper square tube and a lower square tube. The upper square tube is provided with vertical upper through holes of different diameters arranged in a line along the length direction. The lower square tube is provided with lower through holes coaxial with the upper through holes, and the diameters of the lower through holes and the upper through holes are the same. However, when the device is used for manufacturing semi-grouting sleeve test pieces, since the diameters of the upper through holes in the upper square tube are different, only one test piece of one specification can be manufactured, the efficiency is low, and the requirement of "simultaneous manufacturing, simultaneous maintenance and simultaneous submission" of multiple test pieces of the same specification cannot be met. Moreover, the device can only manufacture centering joint test pieces, and cannot manufacture offset joint test pieces, so the types of the manufactured joint test pieces are limited. SUMMARY

[0004] To solve the above technical problems, the present application provides a device for manufacturing semi-grouting sleeve joint test pieces, which can manufacture both centering joint test pieces and offset joint test pieces, and can simultaneously manufacture multiple groups of grouting sleeve joint test pieces of the same specification, thereby meeting the requirement of "simultaneous manufacturing, simultaneous maintenance and simultaneous submission", and having a wide application range.

[0005] The present application adopts the following technical solutions:

[0006] The device for manufacturing semi-grouting sleeve joint test pieces comprises a support frame body, the support frame body comprises two vertical rods, a steel bar fixing device and a sleeve fixing device are respectively arranged between the two vertical rods, and the sleeve fixing device is arranged below the steel bar fixing device; the bottom portions of the two vertical rods are connected through a positioning plate;

[0007] The steel bar fixing device comprises a steel bar fixing plate and a steel bar clamping plate, steel bar clamping grooves are arranged on the steel bar fixing plate at intervals, and the steel bar fixing plate is connected with the steel bar clamping plate through a bolt one;

[0008] The sleeve fixing device comprises a sleeve fixing plate and a sleeve clamping plate, sleeve clamping grooves are arranged on the sleeve fixing plate at positions corresponding to the steel bar clamping grooves, and the sleeve fixing plate is connected with the sleeve clamping plate through a bolt two;

[0009] The positioning plate is provided with a long hole one at the position interval corresponding to the steel bar clamping groove;

[0010] The steel bar fixing plate is provided with a screw rod at two ends, and the vertical rod is provided with a long hole two at the position corresponding to the screw rod.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] The present application does not need any plugging to ensure that the grouting material does not flow out, and the grouting fullness is well ensured, a plurality of groups of half-grouting sleeve test pieces can be made at the same time, a large number of half-grouting sleeve test pieces can be made in a relatively short time, the production efficiency is greatly improved, manual holding is not needed, and the labor cost and time cost are saved; and the position of the steel bar can be adjusted through the adjusting bolt, so that the centering joint test piece and the offset joint test piece can be made, and the application range is wide.

[0013] Further, the preferred scheme adopted by the present application is:

[0014] The bottom of the positioning plate is provided with a support leg at two ends. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the present application;

[0016] Figure 2 It is an A-A view of Figure 1

[0017] Figure 3 It is a B-B view of Figure 1

[0018] Figure 4 It is a C-C view of Figure 1

[0019] Figure 5 It is a D view of Figure 1

[0020] Figure 6 It is a use state view of the present application;

[0021] Figure 7 It is a use state view of the steel bar fixer;

[0022] Figure 8 It is a use state view of the sleeve fixer;

[0023] In the drawing: vertical rod 1; steel bar fixing plate 2; steel bar clamping plate 3; screw bolt one 4; steel bar clamping groove 5; screw rod 6; sleeve fixing plate 7; sleeve clamping plate 8; sleeve clamping groove 9; screw bolt two 10; positioning plate 11; long hole one 12; support leg 13; long hole two 14; grouting section steel bar 15; sleeve 16; sleeved section steel bar 17. DETAILED DESCRIPTION​​​​

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] like Figure 1 As shown, an apparatus for fabricating semi-grouting sleeve joint specimens mainly includes a support frame, which consists of two uprights 1. The bottoms of the two uprights 1 are connected by a positioning plate 11. A rebar fixer and a sleeve fixer are respectively provided between the two uprights 1, and the sleeve fixer is placed below the rebar fixer.

[0026] like Figure 1 and Figure 2 As shown, the rebar fixer consists of a rebar fixing plate 2 and a rebar clamp 3. Both ends of the rebar fixing plate 2 are fixedly welded with screws 6. On the upright 1 on one side of each screw 6, there is a long hole 14 corresponding to the position of the screw 6. The long hole 14 is set along the front and rear direction of the support frame. The screw 6 can be adjusted in the front and rear direction of the support frame. The screw 6 passes through the long hole 14 and is locked by a nut.

[0027] The front side of the rebar fixing plate 2 is provided with several rebar slots 5 at equal intervals. Three fixing holes are also provided at the left, middle and right positions of the rebar fixing plate 2. Each fixing hole is located between two adjacent rebar slots 5 at that position. The left, middle and right positions of the rebar clamp 3 are also provided with three positioning holes corresponding to the fixing holes 1 on the rebar fixing plate 2. The rebar clamp 3 is connected to the rebar fixing plate 2 by bolts 4 placed in the positioning holes 1 and fixing holes 1.

[0028] like Figure 1 and Figure 3 As shown, the sleeve fastener consists of a sleeve fixing plate 7 and a sleeve clamping plate 8, etc. The sleeve fixing plate 7 is provided with a sleeve groove 9 corresponding to the position of the rebar groove 5 on the rebar fixing plate 5. The sleeve groove 9 corresponds one-to-one with the rebar groove 5.

[0029] Three fixing holes are provided at the left, middle and right positions of the sleeve fixing plate 7, and the fixing hole 2 at each position is located between two adjacent sleeve slots 9 at that position. Three positioning holes are also provided at the left, middle and right positions of the sleeve clamping plate 8 corresponding to the positions of the fixing holes 2 on the sleeve fixing plate 7. The sleeve clamping plate 8 is connected to the sleeve fixing plate 7 by bolts 2 10 placed in the fixing holes 2 and positioning holes 2.

[0030] like Figure 4 As shown, the positioning plate 11 has an elongated hole 12 at the position corresponding to the upper steel bar slot 5, and the elongated hole 12 is set along the front and rear direction of the support frame.

[0031] In this embodiment, the positioning plate 11 is provided with a support leg 13 at each end, and each end of the support leg 13 is located on the front and rear sides of the positioning plate 11.

[0032] In the application of this embodiment, (1) first, the joint steel bar is cut, wherein the sleeve segment steel bar 17 is cut to a length of 280 mm, and one end of the sleeve segment steel bar 17 is treated to have a sleeve, so as to match the thread on the sleeve 16 required for grouting; the length of the grouting segment steel bar 15 is determined according to the type of the sleeve 16 and the type of the test, and generally, a length of about 420 mm can meet the requirements.

[0033] (2) Check the appearance, size, thickness, etc. of the sleeve 16, check the type of the sleeve 16 and the type of the cut steel bar, and after checking that there is no error, screw the sleeve segment steel bar 17 treated to have a sleeve into the end of the sleeve 16 with a thread, and confirm that it is screwed tightly.

[0034] (3) Insert the sleeve segment steel bar 17 into the long hole one 12, place the sleeve 16 (the sleeve 16 with the screwed sleeve segment steel bar 17) on the sleeve clamping groove 9, and make the sleeve 16 tightly adhere to the inner wall of the sleeve clamping groove 9, and fix the sleeve 16 with the sleeve clamp 8 and screw the bolt two 10.

[0035] (4) Insert the grouting segment steel bar 15 from top to bottom through the steel bar clamping groove 5 into the inside of the sleeve 16 until it contacts the sleeve segment steel bar 17, at this time, ensure that the grouting segment steel bar 15 tightly adheres to the inner wall of the steel bar clamping groove 2, clamp the grouting segment steel bar 15 with the steel bar clamp 3 and fasten it with the bolt one 4.

[0036] (5) Inject grouting material from the grouting hole of the sleeve 13, and after the grouting material flows out of the grouting hole and is flush with the edge of the sleeve grouting end, plug the grouting hole, then plug the grouting hole, and complete the grouting operation.

[0037] The device adjusts the positional relationship between the screw rod at both ends of the steel bar fixing plate and the long hole two, adjusts the position of the grouting segment steel bar, and achieves the purpose of centering or biasing the sleeve segment steel bar and the grouting segment steel bar, so as to manufacture different types of test pieces.

[0038] The device is convenient to disassemble and assemble, only needs to loosen the bolts one and two to complete the disassembly and assembly, fixes the sleeve on the sleeve fixator to avoid the instability of the sleeve body due to the excessive length of the lower steel bar, and can well guarantee the grouting effect; the device simultaneously manufactures multiple groups of grouting sleeve joint test pieces, has very high efficiency, and can realize "simultaneous manufacturing, simultaneous maintenance, and simultaneous inspection".

[0039] The above is only a specific embodiment of the present application, but the protection of the present application is not limited to this. All equivalent changes or replacements of technical features of the present application that can be thought of by those skilled in the art are included in the protection scope of the present application.

Claims

1. An apparatus for fabricating semi-grouting sleeve joint specimens, comprising a support frame, the support frame including two uprights, characterized in that: The bottoms of the two uprights are connected by a positioning plate; a rebar fixer and a sleeve fixer are respectively installed between the two uprights, and the sleeve fixer is placed below the rebar fixer; The rebar fastener consists of a rebar fixing plate and a rebar clamp. Both ends of the rebar fixing plate are fixedly welded with screws. On the upright on one side of each screw, there is a second elongated hole corresponding to the position of the screw. The second elongated hole is set along the front and back direction of the support frame. The position of the screw can be adjusted in the front and back direction of the support frame. The screw passes through the second elongated hole and is locked by a nut. The front side of the rebar fixing plate is provided with several rebar slots at equal intervals. Three fixing holes are also provided at the left, middle and right positions of the rebar fixing plate. Each fixing hole is located between two adjacent rebar slots at that position. Three positioning holes are also provided at the left, middle and right positions of the rebar clamp corresponding to the fixing holes on the rebar fixing plate. The rebar clamp is connected to the rebar fixing plate by bolts placed in the positioning holes and fixing holes. The sleeve fastener consists of a sleeve fixing plate and a sleeve clamping plate. The sleeve fixing plate is provided with a sleeve slot corresponding to the position of the rebar slot on the rebar fixing plate. The sleeve slot and the rebar slot are one-to-one correspondence. Three fixing holes are provided at the left, middle and right positions of the sleeve fixing plate, and the fixing hole 2 at each position is located between two adjacent sleeve slots at that position. Three positioning holes are also provided at the left, middle and right positions of the sleeve clamping plate corresponding to the fixing holes 2 on the sleeve fixing plate. The sleeve clamping plate is connected to the sleeve fixing plate by bolts 2 placed in the fixing holes 2 and positioning holes 2. The positioning plate has an elongated hole at the position corresponding to the upper steel bar slot, and the elongated hole is set along the front and rear direction of the support frame. The positioning plate has support legs at both ends, with each support leg located on the front and rear sides of the positioning plate.

Images