CN212736457U

CN212736457U - Precast concrete stair mould

Info

Publication number: CN212736457U
Application number: CN202020960329.3U
Authority: CN
Inventors: 应小明; 张青
Original assignee: Zhejiang Kuangsha Construction Co ltd
Current assignee: Zhejiang Kuangsha Construction Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-19
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a precast concrete stair mould, which comprises a base, a first side mould and a second side mould which are arranged on the base and are parallel to each other, and a driving piece for driving the second side mould to move on the base in the direction away from a first side mould, wherein the bottom surface of the first side mould is provided with a bottom mould, the bottom mould is positioned between the first side mould and the second side mould, the base is provided with a horizontal guide rail which is vertical to the first side mould, the second side mould slides on the guide rail, the first side mould is rotationally provided with an end mould, the end mould is propped against the second side mould towards the side surface of the first side mould, the end mould is provided with a first locking mechanism, the first locking mechanism comprises a sliding plate, a first flat plate and a second flat plate, the upper surface of the second side mould is vertically provided with a slot, the bottom end of the sliding plate is inserted on the slot, the first flat plate is arranged on the top surface of the sliding plate and the bottom surface of the sliding plate is propped against the, the second flat plate is abutted against the end die. The utility model discloses have the person of facilitating the use and lock fixed effect with the end mould.

Description

Precast concrete stair mould

Technical Field

The utility model belongs to the technical field of prefabricated component's technique and specifically relates to a precast concrete stair mould is related to.

Background

The building stairs are divided into cast-in-place building stairs and prefabricated stairs according to different production processes; the cast-in-place stair construction needs on-site formwork erecting, reinforcing steel bar binding, concrete pouring, formwork removing and the like, has multiple on-site processes, large supporting amount, large labor consumption and large amount of construction waste. In recent years, with the advance of building industrialization, the application of prefabricated staircases is gradually popularized; in order to realize the standardized and batch production of the prefabricated staircase, the importance of the prefabricated staircase mold is self-evident.

The application publication number is CN108818894A, and the application date is 2018, 8, month and 3, Chinese invention patent discloses a prefabricated staircase die, which comprises a base fixedly arranged on the ground, wherein a first side die and a second side die are arranged on the base in parallel at intervals, and the first side die is fixedly arranged on the base; the second side die is horizontally arranged on the base in a sliding mode, and the sliding direction of the second side die is perpendicular to one side, close to the first side die, of the second side die; the prefabricated staircase mould also comprises a fixing assembly for detachably fixing the first side mould and the second side mould.

The above prior art solutions have the following drawbacks: the fixed mode of end mould and second side mould is bolt fixed connection, when pouring and when removing the mould, all need screw up and screw out individual bolt, causes the user to operate inconveniently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a precast concrete stair mould, can lock more conveniently and loosen the end mould when pouring and form removal.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a precast concrete stair mould comprises a base, a first side mould, a second side mould, a driving piece and a first locking mechanism, wherein the first side mould and the second side mould are arranged on the base and are parallel to each other, the driving piece drives the second side mould to be close to or far away from the first side mould, the bottom mould is arranged at the bottom of the first side mould, the bottom mould is positioned between the first side mould and the second side mould, the base is provided with a guide rail which is horizontal and vertical to the first side mould, the second side mould is connected on the guide rail in a sliding manner, the first side mould is rotatably connected with an end mould, the side surface of the end mould facing the first side mould is in contact with the second side mould, the end mould is provided with the first locking mechanism, the first locking mechanism comprises a sliding plate, a first flat plate and a second flat plate, the upper surface of the second side mould is vertically provided with a slot downwards, the bottom end of the sliding plate is inserted into the slot, the first flat plate is arranged on the top surface, the second flat plate is vertically and downwards arranged on the first flat plate, and one side of the second flat plate, which faces the second side die, is abutted against one side of the end die, which faces back to the second side die.

Through adopting above-mentioned technical scheme, when needs are with end mould locking, rotate the end mould earlier, make the end mould paste on the second side mould towards one side of second side mould, then only need slide the board on sliding into the slot, make the second flat board inconsistent with one side that the end mould is back to the second side mould, lock the end mould, the end mould is opened when preventing the slip casting, when demolising the mould, mention the slide board upwards earlier, slide the board upwards along the slot, the second flat board breaks away from with the side that the end mould is back to the second side mould, make the end mould unclamp, can rotate around end mould and first side mould rotation junction and open, moreover, the steam generator is simple in structure, the user can lock or open the end mould more conveniently when using, the efficiency of work is improved.

The present invention may be further configured in a preferred embodiment as: one side of the slot, which is far away from the first side die, penetrates through the second side die, and the bottom surface of the slot is arranged in a downward inclined mode.

Through adopting above-mentioned technical scheme, the cement piece that gets into the slot during form removal can fall into the slot, utilizes the bottom surface of slope to guide the cement piece for the cement piece is along with slot bottom surface landing play slot downwards.

The present invention may be further configured in a preferred embodiment as: and a first protection plate is arranged on the second side die and is arranged above the slot and shields the slot.

Through adopting above-mentioned technical scheme, first guard plate just shelters from it in the slot top, can avoid cement to get into the slot during the slip casting inside, influence the income of slide plate, simple structure.

The present invention may be further configured in a preferred embodiment as: and the second flat plate is in threaded connection with an adjusting bolt, and the bottom end of the adjusting bolt is abutted against the second side die.

Through adopting above-mentioned technical scheme, first locking mechanical system uses after of a specified duration, and the second flat board can not be with the better subsides of end mould tightly, and adjusting bolt is suitably screwed up to the accessible, makes the second flat board and the better laminating of end mould, has improved first locking mechanical system's life and simple structure fastening is reliable.

The present invention may be further configured in a preferred embodiment as: be equipped with second locking mechanism on first side form and the second side form upper surface, second locking mechanism includes joint pole, joint base and first nut, the joint base sets up at second side form upper surface, the joint pole rotates to be connected at first side form upper surface, the joint groove that supplies joint pole joint is seted up to joint base upper surface, the one end joint that first side form was kept away from to the joint pole has two first nuts, two in the joint groove and threaded connection two first nuts, two first nut is located joint base both sides respectively and offsets with the joint base.

Through adopting above-mentioned technical scheme, the accessible with joint pole joint on the joint base and with two first nuts on the joint pole rotate with the inconsistent position of joint base, make first side mould and second side mould more stable difficult production deformation when slip casting, improve off-the-shelf quality.

The present invention may be further configured in a preferred embodiment as: the joint base rotates to be connected on the second side mould, be provided with between joint pole and the first side mould and rotate the base, the joint pole rotates to be connected on rotating the base, rotating the base and rotating and connecting on first side mould upper surface.

Through adopting above-mentioned technical scheme, when the joint pole intersects with the straight line that joint base, rotation base formed, the accessible rotates the joint base and rotates the position of base to the realization is with joint pole joint on the joint base, simple structure and convenient operation.

The present invention may be further configured in a preferred embodiment as: the joint pole includes screwed pipe and joint screw rod, the screwed pipe rotates to be connected on rotating the base, joint screw rod threaded connection just sets up along screwed pipe axial direction on the screwed pipe, the one end joint that the screwed pipe was kept away from to the joint screw rod is on the joint base, and threaded connection is on two nuts, two first nut is located joint base both sides and inconsistent with equal joint base.

Through adopting above-mentioned technical scheme, during the use, rotate the joint screw rod, according to the length of the distance adjustment joint rod between first side form and the second side form in reality, with joint screw rod joint on the joint base, realize that joint rod length is adjustable when using, ensure that joint rod length can be enough with joint screw rod joint on the joint base.

The present invention may be further configured in a preferred embodiment as: the clamping screw rod is provided with a through hole, a rotating rod is inserted into the through hole, and two ends of the rotating rod are respectively in threaded connection with a second nut.

Through adopting above-mentioned technical scheme, drive the rotation stick and rotate the rotation that realizes the joint screw rod during the use for the user rotates the joint screw rod easily and improves user's comfort level.

The present invention may be further configured in a preferred embodiment as: one side that the second side mould deviates from first side mould is provided with sliding support and sliding support along guide rail length direction setting, sliding support slides and connects on the guide rail.

Through adopting above-mentioned technical scheme, the second side mould slides on the guide rail through sliding support, has improved the stability of second side mould, makes second side mould non-deformable, is vertical state all the time, has improved off-the-shelf quality.

The present invention may be further configured in a preferred embodiment as: be provided with the second guard plate on the sliding support, the second guard plate is provided with two and two second guard plate symmetries and sets up in the guide rail both sides, two the vertical setting of second guard plate, two distance between the second guard plate shortens gradually along guide rail length direction and the direction of keeping away from the second side form, the one end that the second guard plate is close to the guide rail is inconsistent with the guide rail, the second guard plate upper surface is equipped with the hang plate, the higher one end of hang plate sets up on sliding support, and lower one end is inconsistent with the guide rail.

Through adopting above-mentioned technical scheme, when the sliding support slides on the guide rail, second guard plate and hang plate can remove the cement piece that falls on the track along the surface of second guard plate, hang plate to the party of keeping away from the guide rail, avoid the cement piece to the influence that second side mould slided on the guide rail.

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

1. the first locking mechanism slides into the slot, and the second flat plate and the end die are mutually abutted to lock the end die;

2. the nut on the clamping screw is further abutted against the clamping base by driving the rotating rod to rotate, so that the first side die and the second side die are fastened more stably;

3. the sliding support on the second side mould can improve the stability of second side mould, and the influence of cement piece to the second side mould is avoided to the second guard plate.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic structural view of the second locking mechanism.

Fig. 4 is an enlarged view at B in fig. 1.

Reference numerals: 1. a base; 11. a guide rail; 12. a first side mold; 13. a second side mold; 14. bottom die; 15. end die; 16. a first guard plate; 17. a drive member; 2. a first locking mechanism; 21. a slide plate; 22. a first plate; 23. a second plate; 24. a slot; 25. adjusting the bolt; 26. a handle; 3. a second locking mechanism; 31. a clamping and connecting rod; 311. a threaded pipe; 312. clamping a screw rod; 32. clamping the base; 33. a first nut; 34. a clamping groove; 35. rotating the base; 36. a through hole; 37. rotating the rod; 38. a second nut; 4. a sliding support; 5. a second guard plate; 6. an inclined plate.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a precast concrete stair mould, including base 1, first side form 12, second side form 13, die block 14, end mould 15 and driving piece 17, first side form 12 and the vertical setting of second side form 13 are on base 1 and parallel to each other, base 1 is last to have seted up guide rail 11 and guide rail 11 perpendicular to first side form 13, second side form 13 slides and connects on guide rail 11, first side form 12 fixed connection is on base 1, die block 14 fixed connection is on first side form 12 and is located first side form 12 towards second side form 13 one side, the one end that first side form 12 was kept away from to die block 14 offsets with second side form 13, end mould 15 is provided with two and sets up respectively in first side form 12 both sides, end mould 15 one end is rotated and is connected on first side form 12 and end mould 15 is towards one side of first side form 12 and second side form 13 is inconsistent, end mould 15, The first side die 12 and the second side die 13 form a cavity of the stair prefabricated part; the driving part 17 comprises two hydraulic cylinders which are arranged on the base 1, and the hydraulic cylinders are fixedly connected to the second side die 13 along the direction of the guide rail 11 and located on one side of the second side die 13, which deviates from the first side die 12.

Referring to fig. 1 and 2, a first locking mechanism 2 is disposed on the upper surface of the second side mold 13, the first locking mechanism 2 includes a sliding plate 21, a first plate 22 and a second plate 23, a slot 24 is vertically disposed on the upper surface of the second side mold 13, one side of the slot 24 away from the first side mold 12 penetrates through the second side mold 13, the bottom surface of the slot 24 is inclined downward, and the lower end of the slot 24 is located on one side of the second side mold 13 close to the driving member 17, a first protection plate 16 horizontally disposed is integrally connected to the upper surface of the second side mold 13, the first protection plate 16 is located above the slot 24 and shields the slot 24, the bottom end of the sliding plate 21 is slidably connected to the slot 24, the top surface of the sliding plate 21 is integrally connected to the first plate 22, one side of the sliding plate 21, which is far away from the first side mold 12, a handle 26 is fixedly connected to one side of the first plate 22 horizontally disposed, and one end of the, one end of the second flat plate 23 facing the second side die 13 is abutted against one side of the end die 15 departing from the second side die 13, and two adjusting bolts 25 are connected to the second flat plate 23 in a threaded manner, and the bottoms of the adjusting bolts 25 are abutted against the second side die 13.

Referring to fig. 1 and 3, the upper surface of the second side mold 13 is provided with a plurality of second locking mechanisms 3, the second locking mechanisms 3 are distributed along the length direction of the first side mold 12, each second locking mechanism 3 comprises a clamping rod 31, a clamping base 32 and a first nut 33, and each clamping rod 31 comprises a threaded pipe 311 and a clamping screw 312.

Rotate base 35 and rotate and connect 12 upper surfaces in first side mould, screwed pipe 311 one end is rotated and is connected on rotating base 35, joint screw rod 312 threaded connection just follows screwed pipe 311 axial on screwed pipe 311, through-hole 36 has been seted up on the joint screw rod 312, it has rotating rod 37 to peg graft on the through-

hole

36, 37 both ends threaded connection of rotating rod has second nut 38, joint groove 34 has been seted up to joint base 32 upper surface, the one end joint that screwed pipe 311 was kept away from to joint screw rod 312 is on joint groove 34, joint base 32 rotates and connects 13 upper surfaces in second side mould, first nut 33 threaded connection keeps away from screwed pipe 311 one end and is provided with two at joint screw rod 312, two first nuts 33 are located joint base 32 both sides respectively and are inconsistent with joint base 32.

Referring to fig. 1 and 4, one side fixedly connected with sliding support 4 that second side form 13 deviates from first side form 12, sliding support 4 slides and connects on guide rail 11, sliding support 4 cross-section is right triangle, the vertical setting in sliding support 4 right-angle side and fixed connection are in one side that second side form 13 deviates from first side form 12, another right-angle side slides and connects on guide rail 11, fixedly connected with second guard plate 5 on sliding support 4, second guard plate 5 is provided with two and the symmetry sets up in guide rail 11 both sides, the direction that second side form 13 was kept away from along guide rail 11 length direction to distance between two second guard plates 5 shortens gradually, the one end that second guard plate 5 is close to guide rail 11 offsets with guide rail 11, two second guard plate 5 upper surface an organic whole are provided with hang plate 6, the higher one end fixed connection of hang plate 6 is on sliding support 4, lower one end offsets with guide rail 11.

The implementation principle of the embodiment is as follows: when the clamping device is used, the hydraulic cylinder drives the second side die 13 to abut against the bottom die 14, then the end die 15 is rotated to the second side die 13 and abuts against the second side die 13, the sliding plate 21 is slidably connected to the slot 24, the second flat plate 23 abuts against the end die 15 to clamp the end die 15, cement is poured between the first side die 12 and the second side die 13 from the upper side, the clamping screw 312 above the second side die 13 is rotated to the clamping base 32 after pouring is completed, the two first nuts 33 on the clamping screw 312 are rotated to abut against the clamping base 32, and then the rotating rod 37 is driven to rotate to further lock the first nuts 33 and the clamping base 32.

After pouring and forming, the rotating rod 37 is driven to rotate to drive the two first nuts 33 on the clamping screw 312 to move towards one side far away from the clamping base 32, then the clamping screw 312 rotates along the direction far away from the clamping base 32, the sliding plate 21 slides out from the slot 24, the hydraulic cylinder drives the second side mold 13 to move along the direction far away from the first side mold 12, and then the poured stair prefabricated member is taken out.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A precast concrete stair mold comprises a base (1), a first side mold (12) and a second side mold (13) which are arranged on the base (1) and are parallel to each other, a driving piece (17) for driving the second side mold (13) to be close to or far away from the first side mold (12), the bottom die (14) is arranged on the bottom surface of the first side die (12), the bottom die (14) is positioned between the first side die (12) and the second side die (13), a guide rail (11) which is horizontal and vertical to the first side mould (12) is arranged on the base (1), the second side die (13) is connected on the guide rail (11) in a sliding way, the first side die (12) is connected with an end die (15) in a rotating way, the side surface of the end die (15) facing the first side die (12) is abutted against the second side die (13), be provided with first locking mechanism (2) on end mould (15), its characterized in that: first locking mechanism (2) are including sliding plate (21), first flat board (22) and second flat board (23), slot (24) have been seted up downwards to second side form (13) upper surface vertical, sliding plate (21) bottom is pegged graft on slot (24), first flat board (22) set up at sliding plate (21) top surface and first flat board (22) bottom surface and second side form (13) top surface inconsistent, the vertical downward setting of second flat board (23) is on first flat board (22), second flat board (23) are towards second side form (13) one side and end mould (15) back to second side form (13) one side inconsistent.

2. The precast concrete stair mold according to claim 1, wherein: one side of the insertion groove (24) far away from the first side die (12) penetrates through the second side die (13), and the bottom surface of the insertion groove (24) is arranged in a downward inclined mode.

3. The precast concrete stair mold according to claim 1, wherein: and a first protection plate (16) is arranged on the second side die (13), and the first protection plate (16) is arranged above the slot (24) and shields the slot (24).

4. The precast concrete stair mold according to claim 1, wherein: and the second flat plate (23) is connected with an adjusting bolt (25) in a threaded manner, and the bottom end of the adjusting bolt (25) is abutted to the second side mold (13).

5. The precast concrete stair mold according to claim 1, wherein: be equipped with second locking mechanism (3) on first side mould (12) and second side mould (13) upper surface, second locking mechanism (3) are including joint pole (31), joint base (32) and first nut (33), joint base (32) set up in second side mould (13) upper surface, joint pole (31) rotate to be connected in first side mould (12) upper surface, joint groove (34) of confession joint pole (31) joint are seted up to joint base (32) upper surface, the one end joint that first side mould (12) were kept away from in joint pole (31) has two first nut (33), two first nut (33) are located joint base (32) both sides respectively and are inconsistent with joint base (32).

6. The precast concrete stair mold according to claim 5, wherein: joint base (32) rotate to be connected on second side mould (13), be provided with between joint pole (31) and first side mould (12) and rotate base (35), joint pole (31) rotate to be connected on rotating base (35), rotating base (35) rotate to be connected at first side mould (12) upper surface.

7. The precast concrete stair mold according to claim 6, wherein: joint pole (31) include screwed pipe (311) and joint screw rod (312), screwed pipe (311) rotate to be connected on rotating base (35), joint screw rod (312) threaded connection just sets up along screwed pipe (311) axial direction on screwed pipe (311), the one end joint that screwed pipe (311) were kept away from in joint screw rod (312) is on joint base (32), and threaded connection is on two first nuts (33), two first nut (33) are located joint base (32) both sides and with equal joint base (32) inconsistent.

8. The precast concrete stair mold according to claim 7, wherein: the clamping screw rod (312) is provided with a through hole (36), a rotating rod (37) is inserted into the through hole (36), and two ends of the rotating rod (37) are respectively in threaded connection with a second nut (38).

9. The precast concrete stair mold according to claim 1, wherein: one side that second side form (13) deviates from first side form (12) is provided with sliding support (4), sliding support (4) cross-section is right angled triangle, and the vertical setting in second side form (13) of sliding support (4) right angle limit deviates from one side of first side form (12), and another right angle limit slides and connects on guide rail (11).

10. A precast concrete stair mould according to claim 9, wherein: be provided with second guard plate (5) on sliding support (4), second guard plate (5) are provided with two and two second guard plate (5) symmetry and set up in guide rail (11) both sides, two second guard plate (5) vertical setting, two distance between second guard plate (5) shortens gradually along guide rail (11) length direction and the direction of keeping away from second side form (13), the one end that second guard plate (5) are close to guide rail (11) offsets with guide rail (11), second guard plate (5) upper surface is equipped with hang plate (6), the higher one end of hang plate (6) sets up on sliding support (4), and lower one end is inconsistent with guide rail (11).