CN114753534B

CN114753534B - Connecting piece for splicing water heating type heat supply floor slabs

Info

Publication number: CN114753534B
Application number: CN202210491606.4A
Authority: CN
Inventors: 于子望; 王龙; 张延军; 刘莫; 康建国; 姚佩仪; 冶晓琪; 闫朝辉; 杨天睿
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-12-09
Anticipated expiration: 2042-05-07
Also published as: CN114753534A

Abstract

The invention discloses a connecting piece for splicing water heating type heat supply floors, which relates to the field of building floor installation and solves the problem of low construction efficiency caused by small construction space of the conventional connecting piece.

Description

Connecting piece for splicing water heating type heat supply floor slabs

Technical Field

The invention relates to the field of building floor slab installation, in particular to a connecting piece for splicing water heating type heat supply floor slabs.

Background

The prefabricated slab is a floor slab used in the early construction of the 20 th century, and is a module or a plate used in engineering. Because the precast concrete which is produced, processed and formed in a precast yard is directly transported to a construction site for installation, the precast concrete is called a precast slab, and the precast concrete has a plurality of uses on buildings, such as a cement slab covered on a ditch beside a highway; the cement slabs used as heat insulating layers on the roofs are prefabricated slabs, the mode of the building construction is eliminated at present, the building construction is changed into a frame structure and a reinforced concrete structure, the safety quality is further improved, and water heating type heat supply floor slabs are generally assembled in northern areas so as to facilitate later installation of water heating heat supply components.

The existing Chinese patent publication CN104405041B discloses a prefabricated floor slab connecting piece of a steel structure building assembly type and a mounting method thereof, wherein the anchoring strength of a floor slab can be obviously improved in a mode of horizontally and alternatively anchoring exposed steel bars of two adjacent prefabricated floor slabs, but in the actual use process, because the two steel bars in the prefabricated floor slab are longitudinally arranged, when the two adjacent prefabricated floor slabs are fixedly mounted, exposed parts of the steel bars are embedded in steel bar positioning grooves, and the steel bars are limited by clamping extrusion sleeves through pliers.

Disclosure of Invention

The invention aims to provide a connecting piece for splicing water heating type heat supply floor slabs, which can effectively connect prefabricated floor slabs and is convenient to construct, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a connecting piece for splicing water heating type heat supply floors comprises a cross beam and steel plates welded at the upper end of the cross beam, prefabricated floors are installed on the left side and the right side of each steel plate, a right-angle installation groove hole is formed in one end, close to the steel plates, of the interior of each prefabricated floor, a limiting groove is formed in the interior of each right-angle installation groove hole, a reinforcing cover plate is installed at the upper end of each steel plate in a fitting mode, and a plurality of groups of bolts are installed inside the reinforcing cover plate in a meshed mode; the connecting mechanisms which can be used for quickly connecting the prefabricated floor slabs at the left end and the right end of the steel plate are arranged on the inner side of the steel plate, and the number of the connecting mechanisms is a plurality of groups and is linearly arranged; and the mounting mechanism can be used for rapidly mounting the connecting mechanism and is mounted in the steel plate, wherein the reinforcing cover plate and the steel plate are mounted by screws.

Preferably, coupling mechanism include fixed mounting in the inboard solid fixed cylinder of steel sheet, just the inboard slidable mounting of solid fixed cylinder has two sets of sliders that are the symmetry and arrange, just the slider is close to the one end fixed mounting of right angle installation slotted hole has the reinforcing bar, the reinforcing bar activity run through in gu fixed cylinder, just the reinforcing bar with the gomphosis of right angle installation slotted hole activity, it is two sets of the guide block is installed in the laminating between the slider, just the guide block is fixed inlay in gu fixed cylinder's inside, the slider is close to the fixed magnetic path that has inlayed of one end of guide block, the locating part is installed to the inboard of reinforcing bar, just the rotation piece is installed to the side of locating part, and wherein the guide block is made for non-metallic material, under the effect of guide block, can separate two sets of sliders, and two sets of sliders attract each other under the effect of magnetic path, hug closely the guide block.

Preferably, the locating part including the activity inlay in the inside movable cylinder of reinforcing bar, just the outer fixed surface of movable cylinder installs the stopper, the stopper with the reinforcing bar is sliding connection, the inboard activity of reinforcing bar is inlayed a plurality of groups and is the spacing claw that circumference array arranged, just spacing claw activity run through in the reinforcing bar, a movable cylinder with through connecting seat movable mounting there is the connecting rod between the spacing claw, when rotating the piece and touching, the rotation accessible connecting rod of its movable cylinder promotes spacing claw.

Preferably, the rotation piece is including seting up in the inside arc draw-in groove of a movable section of thick bamboo, the inboard activity of a movable section of thick bamboo has inlayed the feeler lever, just the feeler lever is close to the one end fixed mounting of spacing claw has spring one, the inside fixed of feeler lever has inlayed the spliced pole, just the both ends activity of spliced pole inlay in the inboard of arc draw-in groove, the feeler lever is kept away from the one end activity of spliced pole run through in the reinforcing bar, the spout has been seted up to the inside of reinforcing bar, the fixed surface of feeler lever installs the sliding block, just the sliding block with the spout is sliding connection, can move toward the inside of reinforcing bar after the feeler lever receives the extrusion, removes the in-process through the gomphosis of spliced pole with arc draw-in groove, can make a movable section of thick bamboo rotate.

Preferably, installation mechanism is including offering in consolidate the apron with the inside groove of accomodating of steel sheet, just accomodate the groove with the solid fixed cylinder communicates each other, the inside activity of accomodating the groove has inlayed the joint post, just the fixed surface cover of joint post has connect the cardboard, the internally mounted of joint post has the pressing piece, just the lower extreme of pressing piece is installed and is pushed the piece, and the user can be with the inside in groove is accomodate in the joint post embedding when installing coupling mechanism, touches coupling mechanism through the pressing piece with pushing the piece.

Preferably, the pressing part including slidable mounting in the inside extrusion piece of joint post, just the upper end fixed mounting of extrusion piece has the connecting rod, the connecting rod activity run through in the joint post, just the upper end fixed mounting of connecting rod has the pushing disc, the lower extreme of extrusion piece with install spring two between the joint post, push the extrusion piece through pushing disc, make the extrusion piece will push out from the inside of joint post.

Preferably, push away the piece including movable mounting in the inside two sets of a plurality of joint post is the activity ejector pad that the linearity was arranged, distribute in the top the activity ejector pad with the extrusion piece is fixed connection, and is adjacent two sets of the connecting plate has been inlayed to the activity between the activity ejector pad, the inside fixed mounting of connecting plate has two sets of loose axles, and is two sets of the both ends correspondence activity of loose axle inlays in two sets of the inside of activity ejector pad, distribute in the lower extreme the bottom fixed mounting of activity ejector pad has the iron plate, and the activity ejector pad is in the effect of pressing the piece downstream, and wherein a plurality of groups activity ejector pad can only be to the swing of one side that is close to the connecting plate.

Preferably, the radius of the limiting groove is larger than that of the right-angle mounting groove hole, the connecting position of the limiting groove and the right-angle mounting groove hole is in a step shape, a plurality of groups of limiting claws arranged in a circumferential array can extend out of the inside of the reinforcing steel bar under the action of the rotating piece and the limiting piece, and the extending parts of the limiting claws can be just buckled at the step positions generated by the limiting groove and the right-angle mounting groove hole.

Preferably, the inner surface of the storage groove, the inner and outer surfaces of the fixed cylinder and the surface of the steel bar are rough surfaces, the inner wall of the storage groove, the inner and outer surfaces of the fixed cylinder and the surface of the steel bar are rough to ensure that the fixed cylinder and the steel bar are effectively fixed by the solidified concrete after the prefabricated floor slab is connected and installed and is poured in the later period, and the concrete is injected into the storage groove to fill the space between the two sets of sliding blocks.

Preferably, the spliced pole is initially located the inside of arc draw-in groove is close to the one end of spring one, when the spliced pole stretches into toward the inside of a movable section of thick bamboo along with the trip bar, can make a movable section of thick bamboo rotate through the block of spliced pole and arc draw-in groove.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the matching of the connecting mechanism and the mounting mechanism, when the prefabricated floor slab is assembled and connected, the clamping column is inserted into the accommodating groove, two groups of steel bars in the fixing cylinder synchronously and reversely move through the pressing piece and the pushing piece, when the steel bars completely move to the inside of the right-angle mounting groove hole, the limiting piece can be triggered by the rotating piece to fix the steel bars for one time, then the bolts are locked, the lower ends of the bolts move towards the inside of the right-angle mounting groove hole, and the bottoms of the bolts can fix the steel bars for the second time.

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 schematic view of the receiving groove structure of the present invention;

FIG. 4 is a schematic view of the right-angle mounting slot and the limiting groove of the present invention;

FIG. 5 is a schematic view of a spacing claw according to the present invention;

FIG. 6 is a schematic view of the structure of the connecting column and the arc-shaped slot of the present invention;

FIG. 7 is a schematic diagram of a magnetic block structure according to the present invention;

FIG. 8 is a schematic structural view of a movable push block and an iron block of the present invention;

FIG. 9 is an enlarged view of the area A of FIG. 4 according to the present invention.

In the figure: 1-a cross beam; 2-a steel plate; 3, prefabricating a floor slab; 4-reinforcing the cover plate; 5-bolt; 6-right-angle mounting slot holes; 7-a limiting groove; 8-a connection mechanism; 9-a mounting mechanism; 10-a limit stop; 11-a rotating member; 12-a press; 13-a pushing member; 14-a receiving groove; 15-a fixed cylinder; 16-a clamping column; 17-a slide block; 18-reinforcing steel bars; 19-a guide block; 20-a movable cylinder; 21-a limiting block; 22-a limiting claw; 23-a connecting rod; 24-a touch lever; 25-a chute; 26-a slider; 27-arc clamping groove; 28-spring one; 29-connecting column; 30-magnetic blocks; 31-a card board; 32-an extrusion block; 33-a connecting rod; 34-a push disc; 35-spring two; 36-a movable push block; 37-a connecting plate; 38-a movable shaft; 39-iron block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the connecting piece for splicing the water heating type heat supply floor slab comprises a cross beam 1 and a steel plate 2 welded at the upper end of the cross beam 1, prefabricated floor slabs 3 are installed on the left side and the right side of the steel plate 2, a right-angle installation slotted hole 6 is formed in one end, close to the steel plate 2, of the interior of each prefabricated floor slab 3, a limiting groove 7 is formed in the interior of each right-angle installation slotted hole 6, a reinforcing cover plate 4 is installed at the upper end of each steel plate 2 in an attached mode, and a plurality of groups of bolts 5 are installed inside the reinforcing cover plate 4 in an engaged mode; the connecting mechanisms 8 are used for quickly connecting the prefabricated floor slabs 3 at the left end and the right end of the steel plate 2, the connecting mechanisms 8 are arranged on the inner side of the steel plate 2, and the number of the connecting mechanisms 8 is a plurality of groups and is linearly arranged; and the mounting mechanism 9 is used for mounting the mounting mechanism 9 which can be used for quickly mounting the connecting mechanism 8 in the steel plate 2, wherein the reinforcing cover plate 4 and the steel plate 2 are mounted by screws.

Referring to fig. 4 and 9, in the drawings, the connecting mechanism 8 includes a fixed cylinder 15 fixedly mounted on the inner side of the steel plate 2, two sets of symmetrically arranged sliders 17 are slidably mounted on the inner side of the fixed cylinder 15, a reinforcing steel bar 18 is fixedly mounted at one end of the slider 17 close to the right-angle mounting slot 6, the reinforcing steel bar 18 movably penetrates through the fixed cylinder 15, the reinforcing steel bar 18 is movably embedded with the right-angle mounting slot 6, a guide block 19 is mounted between the two sets of sliders 17 in a fitting manner, the guide block 19 is fixedly embedded inside the fixed cylinder 15, a magnetic block 30 is fixedly embedded at one end of the slider 17 close to the guide block 19, a limiting member 10 is mounted on the inner side of the reinforcing steel bar 18, and a rotating member 11 is mounted at a side end of the limiting member 10, wherein the guide block 19 is made of a non-metal material, the two sets of sliders 17 can be separated under the action of the guide block 19, and the two sets of sliders 17 are mutually attracted under the action of the magnetic block 30 and tightly attached to the guide block 19.

Referring to fig. 5, in the figure, the limiting member 10 includes a movable cylinder 20 movably embedded in the reinforcing steel bar 18, a limiting block 21 is fixedly mounted on an outer surface of the movable cylinder 20, the limiting block 21 is slidably connected to the reinforcing steel bar 18, a plurality of sets of limiting claws 22 arranged in a circumferential array are movably embedded in an inner side of the reinforcing steel bar 18, the limiting claws 22 movably penetrate through the reinforcing steel bar 18, a connecting rod 23 is movably mounted between the movable cylinder 20 and the limiting claws 22 through a connecting seat, and when the rotating member 11 is triggered, the rotating of the movable cylinder 20 can push the limiting claws 22 through the connecting rod 23.

Referring to fig. 5 and 6, in the figure, the rotating member 11 includes an arc-shaped slot 27 opened inside the movable cylinder 20, a touch rod 24 is movably embedded inside the movable cylinder 20, a first spring 28 is fixedly installed at one end of the touch rod 24 close to the limiting claw 22, a connecting column 29 is fixedly embedded inside the touch rod 24, two ends of the connecting column 29 are movably embedded inside the arc-shaped slot 27, one end of the touch rod 24 away from the connecting column 29 movably penetrates through the reinforcing steel bar 18, a sliding groove 25 is formed inside the reinforcing steel bar 18, a sliding block 26 is fixedly installed on the outer surface of the touch rod 24, the sliding block 26 is in sliding connection with the sliding groove 25, the touch rod 24 can move inside the reinforcing steel bar 18 after being extruded, and the movable cylinder 20 can rotate through the embedding of the connecting column 29 and the arc-shaped slot 27 during the moving process.

Referring to fig. 4 and 7, in the illustration, the mounting mechanism 9 includes an accommodating groove 14 formed in the reinforcing cover plate 4 and the inside of the steel plate 2, the accommodating groove 14 is communicated with the fixing cylinder 15, a clamping column 16 is movably embedded in the accommodating groove 14, a clamping plate 31 is fixedly sleeved on the outer surface of the clamping column 16, a pressing piece 12 is mounted inside the clamping column 16, a pushing piece 13 is mounted at the lower end of the pressing piece 12, when the user mounts the connecting mechanism 8, the clamping column 16 can be embedded into the accommodating groove 14, and the connecting mechanism 8 is touched by the pressing piece 12 and the pushing piece 13.

Referring to fig. 7, in the drawing, the pressing member 12 includes an extruding block 32 slidably mounted inside the clamping column 16, a connecting rod 33 is fixedly mounted at an upper end of the extruding block 32, the connecting rod 33 movably penetrates through the clamping column 16, a pushing disc 34 is fixedly mounted at an upper end of the connecting rod 33, a second spring 35 is mounted between a lower end of the extruding block 32 and the clamping column 16, and the extruding block 32 is pushed by the pushing disc 34, so that the extruding block 32 pushes the pushing member 13 out of the clamping column 16.

Referring to fig. 8, in the figure, the pushing member 13 includes two sets of a plurality of linearly arranged movable pushing blocks 36 movably mounted inside the clamping column 16, the movable pushing blocks 36 distributed at the uppermost end are fixedly connected with the extruding block 32, a connecting plate 37 is movably embedded between two adjacent sets of movable pushing blocks 36, two sets of movable shafts 38 are fixedly mounted inside the connecting plate 37, two ends of the two sets of movable shafts 38 are correspondingly movably embedded inside the two sets of movable pushing blocks 36, an iron block 39 is fixedly mounted at the bottom of the movable pushing block 36 distributed at the lowermost end, the movable pushing block 36 moves downward under the action of the pushing member 12, wherein the plurality of sets of movable pushing blocks 36 can only swing to one side close to the connecting plate 37.

Referring to fig. 5 and 6, the connection post is initially located at an end of the inside of the arc-shaped slot close to the first spring, and when the connection post 29 extends into the movable barrel 20 along with the touch rod 24, the movable barrel 20 can rotate by the engagement of the connection post 29 and the arc-shaped slot 27.

Can be to prefabricated floor effective connection and construction convenience's theory of operation: firstly, a user accurately places the precast floor slabs 3 on two sides of the steel plate 2 through a hoisting machine, the user installs the reinforcing cover plate 4 on the upper end of the steel plate 2 through screws, the reinforced cover plate 4 covers the upper end of the precast floor slab 3 at the same time, and at this time, the user presses the push disc 34 to move the two sets of movable push blocks 36 downwards, when the movable push blocks 36 contact the guide blocks 19, the movable push blocks 36 which are symmetrically arranged can lead the two groups of movable push blocks 36 to synchronously move towards opposite directions under the guiding of the guide block 19 and the attraction of the magnetic block 30 to the iron block 39, when the push disc 34 is continuously pressed down, the two groups of steel bars 18 can synchronously move in the opposite directions through the slide block 17, when the reinforcing steel bar 18 is completely embedded into the right-angle mounting slot 6, the touch bar 24 can be extruded, and when the touch bar 24 moves towards the inside of the reinforcing steel bar 18, through the limit of the sliding chute 25 to the sliding block 26 and the mutual embedding of the connecting column 29 and the arc-shaped clamping groove 27, the movable barrel 20 can rotate, the rotation of the movable barrel 20 can push a plurality of groups of limiting claws 22 through the connecting rod 23, the limiting claws 22 extend out and are buckled at a step formed by the right-angle mounting slotted hole 6 and the limiting groove 7, at the moment, a user can loosen the push disc 34, the user can tighten the bolt 5, the lower end of the bolt 5 moves towards the inside of the right-angle mounting slotted hole 6 all the time, when the bolt 5 is completely fixed, the bottom of the bolt 5 can extrude the reinforcing steel bar 18 and fix the reinforcing steel bar 18 for the second time, thereby effectively improving the splicing stability of the prefabricated floor slab 3, the push disc 34 is pressed in the whole installation and connection process, then die bolt 5 lock, and the space of whole construction does not receive the restriction greatly, compares in the limitation of current construction, and this scheme is more convenient, and the stability of connecting is stronger.

Example 2

Referring to fig. 4 and 7, in this embodiment, as further described in embodiment 1, the mounting mechanism 9 includes a receiving groove 14 disposed inside the reinforcing cover plate 4 and the steel plate 2, the receiving groove 14 is communicated with the fixing cylinder 15, a clamping column 16 is movably embedded inside the receiving groove 14, a clamping plate 31 is fixedly sleeved on an outer surface of the clamping column 16, a pressing member 12 is installed inside the clamping column 16, and a pushing member 13 is installed at a lower end of the pressing member 12, when a user mounts the connecting mechanism 8, the clamping column 16 can be embedded inside the receiving groove 14, and the connecting mechanism 8 is triggered by the pressing member 12 and the pushing member 13.

Referring to fig. 8, in the figure, the pushing member 13 includes two sets of a plurality of linearly arranged movable pushing blocks 36 movably mounted inside the clamping column 16, the movable pushing blocks 36 distributed at the uppermost end are fixedly connected with the extruding block 32, a connecting plate 37 is movably embedded between two adjacent sets of movable pushing blocks 36, two sets of movable shafts 38 are fixedly mounted inside the connecting plate 37, two ends of the two sets of movable shafts 38 are correspondingly movably embedded inside the two sets of movable pushing blocks 36, an iron block 39 is fixedly mounted at the bottom of the movable pushing block 36 distributed at the lowermost end, the movable pushing block 36 moves downward under the action of the pressing member 12, wherein the plurality of sets of movable pushing blocks 36 can only swing to one side close to the connecting plate 37.

In this embodiment: in the process that a user pushes out two groups of symmetrically-arranged steel bars 18 simultaneously through the matching of the push disc 34 and the two groups of movable push blocks 36, the user can judge whether the placement position of the prefabricated floor slab 3 is standard or not through the distance between the ends of the two groups of steel bars 18 and the prefabricated floor slab 3, if not, the position of the prefabricated floor slab 3 can be adjusted through a hoisting machine, after the steel bars 18 are effectively installed in the right-angle installation slotted hole 6, the user can loosen the push disc 34, the elastic force generated by the compressed spring II 35 can enable the extrusion block 32 to drive the movable push block 36 to move upwards, the iron block 39 embedded at the bottom of the movable push block 36 at the lowest end is separated from the attraction of the magnetic block 30, when the movable push block 36 and the push disc 34 are completely reset, the user can integrally pull out the clamping column 16 from the inside of the accommodating groove 14, the partial structure can be used for multiple times, and the construction cost is reduced.

Example 3

Referring to fig. 4, the embodiment further illustrates that, for other embodiments, the radius of the limiting groove 7 is larger than that of the right-angle mounting slot 6, and the joint between the limiting groove 7 and the right-angle mounting slot 6 is stepped, and the inner surface of the receiving groove 14, the inner and outer surfaces of the fixed cylinder 15, and the surface of the reinforcing steel bar 18 are rough surfaces.

In this embodiment: under the action of the rotating piece 11 and the limiting piece 10, a plurality of groups of limiting claws 22 arranged in a circumferential array can extend out from the interior of the reinforcing steel bar 18, and the extending parts of the limiting claws can be just buckled at the step positions generated by the limiting groove 7 and the right-angle mounting groove hole 6; the inner wall of the accommodating groove 14, the inner surface and the outer surface of the fixed cylinder 15 and the surface of the steel bar 18 are rough, so that after the prefabricated floor slab 3 is connected and installed, and when later pouring is carried out, the solidified concrete effectively fixes the fixed cylinder 15 and the steel bar 18, and the concrete is injected into the accommodating groove 14 to fill the space between the two groups of sliding blocks 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connecting piece for concatenation of water heating type heat supply floor, include crossbeam (1) and weld in steel sheet (2) of crossbeam (1) upper end, prefabricated floor (3), its characterized in that are all installed to the left and right sides of steel sheet (2): a right-angle mounting slotted hole (6) is formed in one end, close to the steel plate (2), of the interior of the precast floor slab (3), a limiting groove (7) is formed in the interior of the right-angle mounting slotted hole (6), a reinforcing cover plate (4) is installed at the upper end of the steel plate (2) in a fitting mode, and a plurality of groups of bolts (5) are installed inside the reinforcing cover plate (4) in a meshed mode;

the connecting mechanisms (8) which can be used for quickly connecting the precast floor slabs (3) at the left end and the right end of the steel plate (2) are arranged on the inner side of the steel plate (2), and the connecting mechanisms (8) are arranged in a plurality of groups and are linearly arranged;

an installation mechanism (9), wherein the installation mechanism (9) which can be quickly installed on the connecting mechanism (8) is installed in the steel plate (2);

the connecting mechanism (8) comprises a fixed cylinder (15) fixedly mounted on the inner side of the steel plate (2), two groups of sliding blocks (17) which are symmetrically arranged are slidably mounted on the inner side of the fixed cylinder (15), a steel bar (18) is fixedly mounted at one end, close to the right-angle mounting slotted hole (6), of each sliding block (17), each steel bar (18) movably penetrates through the corresponding fixed cylinder (15), each steel bar (18) is movably embedded with the corresponding right-angle mounting slotted hole (6), a guide block (19) is mounted between the two groups of sliding blocks (17) in an attached mode, each guide block (19) is fixedly embedded in each fixed cylinder (15), a magnetic block (30) is fixedly embedded at one end, close to the corresponding guide block (19), of each sliding block (17), a limiting part (10) is mounted on the inner side of each steel bar (18), and a rotating part (11) is mounted at the side end of each limiting part (10);

installation mechanism (9) are including seting up in consolidate apron (4) with steel sheet (2) inside accomodate groove (14), just accomodate groove (14) with gu fixed section of thick bamboo (15) communicate each other, the inside activity of accomodating groove (14) has inlayed joint post (16), just cardboard (31) have been cup jointed to the external fixed surface of joint post (16), the internally mounted of joint post (16) has pressing piece (12), just the lower extreme of pressing piece (12) is installed and is pushed piece (13).

2. A connector for splicing water heating type heat supply floor slabs according to claim 1, wherein: locating part (10) including the activity inlay in the inside movable cylinder (20) of reinforcing bar (18), just the external fixed surface of movable cylinder (20) installs stopper (21), stopper (21) with reinforcing bar (18) are sliding connection, the inboard activity of reinforcing bar (18) is inlayed a plurality of groups and is spacing claw (22) that the circumference array was arranged, just spacing claw (22) activity run through in reinforcing bar (18), movable cylinder (20) with there is connecting rod (23) through connecting seat movable mounting between spacing claw (22).

3. A connector for splicing water heating type heat supply floor slabs according to claim 2, wherein: rotate piece (11) including seting up in the inside arc draw-in groove (27) of a movable section of thick bamboo (20), the inboard activity of a movable section of thick bamboo (20) has inlayed touch bar (24), just touch bar (24) are close to the one end fixed mounting of spacing claw (22) has spring (28), the inside fixed of touch bar (24) has inlayed spliced pole (29), just the both ends activity of spliced pole (29) inlay in the inboard of arc draw-in groove (27), touch bar (24) are kept away from the one end activity of spliced pole (29) runs through in reinforcing bar (18), spout (25) have been seted up to the inside of reinforcing bar (18), the fixed surface of touch bar sliding block (24) installs has (26), just sliding block (26) with spout (25) are sliding connection.

4. A connector for splicing floor heating systems according to claim 1, wherein: pressing part (12) including slidable mounting in inside extrusion piece (32) of joint post (16), just the upper end fixed mounting of extrusion piece (32) has connecting rod (33), connecting rod (33) activity run through in joint post (16), just the upper end fixed mounting of connecting rod (33) has pushing away dish (34), the lower extreme of extrusion piece (32) with install spring two (35) between joint post (16).

5. A connection piece for water heating type heat supply floor splicing according to claim 4, wherein: push away piece (13) including movable mounting in the inside two sets of a plurality of joint post (16) is activity ejector pad (36) that the linearity was arranged, distribute in the top activity ejector pad (36) with extrusion piece (32) are fixed connection, and are adjacent two sets of connecting plate (37) have been inlayed in the activity between activity ejector pad (36), the inside fixed mounting of connecting plate (37) has two sets of loose axles (38), and is two sets of the both ends correspondence activity of loose axle (38) are inlayed in two sets of the inside of activity ejector pad (36), distribute in the bottom fixed mounting of activity ejector pad (36) has iron plate (39).

6. A connector for splicing floor heating systems according to claim 1, wherein: the radius of the limiting groove (7) is larger than that of the right-angle mounting groove hole (6), and the joint of the limiting groove (7) and the right-angle mounting groove hole (6) is in a step shape.

7. A connector for splicing water heating type heat supply floor slabs according to claim 1, wherein: the inner surface of the accommodating groove (14), the inner and outer surfaces of the fixed cylinder (15) and the surface of the reinforcing steel bar (18) are rough surfaces.

8. A connector for splicing water heating type heat supply floor slabs according to claim 3, wherein: the connecting column (29) is initially positioned at one end of the inner part of the arc-shaped clamping groove (27) close to the first spring (28).