CN218365444U - Precast beam template convenient to connect - Google Patents

Abstract

The utility model relates to a precast beam template of convenient connection, it still includes the die block, set up a pair of end mould on the die block, and set up a pair of side form between this end mould, the outside surface of side form has the strengthening rib of netted evagination, still include a plurality of rotations connect on the strengthening rib and be the interior hexagonal sleeve that a font was arranged, a plurality of threaded connection on the die block and with interior hexagonal sleeve sliding fit's hexagon bolt, set up the chain drive subassembly between two adjacent interior hexagonal sleeves, and wear to locate the drive screw on the strengthening rib, drive screw's lower extreme sets up on interior hexagonal sleeve, upper end threaded connection has lock nut. Through the linkage dismouting of hex bolts, shorten the installation and dismantle cycle of hex bolts, increase work efficiency.

Description

Precast beam template convenient to connect

Technical Field

The utility model belongs to the technical field of the technique of assembly type structure and specifically relates to a precast beam template of convenient connection is related to.

Background

At present, because the traditional cast-in-place concrete beam needs site moulding, site pouring and site maintenance, the construction efficiency is low. Concrete precast Liang Laiti is therefore typically used in place of cast in place concrete beams when processing conditions permit. The existing concrete precast beam is generally poured and molded by a steel precast beam template in a factory and then is transported to a construction site for assembly, so that the construction period of on-site wet operation is shortened, seasonal influence is overcome, perennial construction is guaranteed, and the construction efficiency of building engineering is improved.

The Chinese invention with the license number of CN107053440B discloses a method for manufacturing a precast slab beam pedestal, which comprises a pouring pedestal, a steel plate arranged on the pedestal, a plurality of open bolt holes formed by cutting two longitudinal sides of the steel plate, a side template arranged on the steel plate and a plurality of bolts arranged on the side template, wherein the side template is directly connected to the pedestal in a threaded manner by the bolts (comprising nuts, screws and gaskets) through the open bolt holes, and the side template is fixed by mounting and dismounting the bolts one by one.

The above prior art solutions have the following drawbacks: four side form boards surround and form the pouring chamber, because wherein the side form board on vertical both sides sets up a large amount of bolts because of the longer needs of self length and connects with the pedestal and just can realize being connected the fastening between side form board and the pedestal, increases the leakproofness of template through reducing the gap between side form board and the pedestal, consequently need twist these bolts one by one in the installation, constructor needs longer time just can accomplish being connected between side form board and the pedestal, and work efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to the above-mentioned not enough that exists among the prior art and provide a precast beam template of convenient connection, its dismouting cycle that is used for fastening connection's bolt in order to shorten the template through the linkage dismouting increases work efficiency.

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

the utility model provides a precast beam template of convenient connection, includes the die block, set up in a pair of end mould on the die block and set up in this a pair of side mould between the end mould, the outside surface of side mould has the strengthening rib of netted evagination, still include a plurality of rotations connect in on the strengthening rib and be the interior hexagonal sleeve that a font was arranged, a plurality of threaded connection in on the die block and with interior hexagonal sleeve sliding fit's hexagon bolt, set up in two adjacent interior hexagonal sleeve between chain drive subassembly and wear to locate drive screw on the strengthening rib, drive screw's lower extreme set up in on the interior hexagonal sleeve, upper end threaded connection has lock nut.

By adopting the technical scheme, when the chain transmission mechanism is used, a user rotates one of the driving screws to drive one of the inner hexagonal sleeves to rotate, so that the inner circumference of the inner hexagonal sleeve is rotated to abut against the nut at the upper end of the hexagonal bolt to drive the hexagonal bolt to rotate, and meanwhile, the inner hexagonal sleeve rotates to drive the chain transmission assembly to drive other inner hexagonal sleeves to rotate together, so that linkage disassembly and assembly of other hexagonal bolts are realized, the assembly and disassembly period of the hexagonal bolt is shortened, and the working efficiency is increased; after hexagonal bolt and die block threaded connection accomplished, rotate the lock nut on the drive screw and contradict in the interior side surface of strengthening rib until lock nut, through restricting the telescopic rotation of interior hexagonal and avoid becoming flexible of hexagonal bolt, lock nut and the screw hole cooperation on the die block carry out the pair locking to hexagonal bolt's rotation state, hexagonal bolt's upper end is stable to be supported tightly the strengthening rib inboard and can not become flexible easily in order to reduce the gap between side form and the die block, make installation fastening between side form and the die block, be favorable to improving the leakproofness of template, avoid leaking the thick liquid.

The utility model discloses further set up to: the chain transmission assemblies are arranged along the arrangement direction of the inner hexagonal sleeves and are sequentially arranged in an up-and-down staggered manner, and each chain transmission assembly comprises a pair of transmission chain wheels respectively arranged on the inner hexagonal sleeves and a transmission chain meshed and sleeved on the transmission chain wheels.

By adopting the technical scheme, compared with a mode that all the transmission chain wheels are connected by a single transmission chain, the chain transmission assembly with multiple groups of transmission chains reduces the friction resistance which needs to be overcome when the transmission chains rotate in an up-and-down staggered arrangement mode, effectively avoids the transmission difficulty caused by overlarge friction damping, ensures the normal operation of transmission, and improves the transmission efficiency of the chain transmission assembly.

The utility model discloses further set up to: the reinforcing rib is provided with a tensioning opening for the transmission chain to penetrate through, the tensioning opening is rotatably connected with a pair of tensioning wheels, the tensioning wheels are perpendicular to the axis of the transmission chain wheel, and the surfaces of the tensioning wheels are matched with the side surfaces of the transmission chain in a rolling manner.

By adopting the technical scheme, the transmission chain is slidably arranged on the reinforcing rib along the tensioning opening in a penetrating manner, and the tensioning wheel applies pressure to the transmission chain to ensure that the transmission chain keeps proper tension, so that the transmission chain is stably meshed with the transmission chain wheel, and the phenomenon of tooth jumping or chain falling in the transmission process of the transmission chain can be avoided.

The utility model discloses further set up to: the bottom of hexagon bolt is provided with the spigot surface.

Through adopting above-mentioned technical scheme, the cross-sectional area of hexagonal bolt's bottom reduces along with being close to the die block gradually, passes through the spigot surface and plays the guide effect for hexagonal bolt can get into the threaded hole on the die block from the interior hexagonal sleeve more smoothly.

The utility model discloses further set up to: non-cylindrical draw-in groove has been seted up on drive screw's top, draw-in groove extends along drive screw's axial, the inner wall of draw-in groove supplies outside instrument to contradict.

Through adopting above-mentioned technical scheme, set up the draw-in groove and supply user's operatable screwdriver when installation will criticize the head and insert draw-in groove internal rotation drive screw and order about interior hexagonal sleeve and rotate, and drive hexagon bolt and rotate, realize the dismouting of side form and die block from this.

The utility model discloses further set up to: the side die is provided with a plurality of lifting lugs, and the lifting lugs are fixed to the top of the reinforcing rib according to the installation position on the same straight line with the vertical section of the reinforcing rib.

Through adopting above-mentioned technical scheme, set up the lug and be used for hoist and mount side form, set up the lug in the position department of strengthening rib, the side form can avoid when hoist and mount because the deformation that stress concentration leads to when comparing and setting up other positions on the side form.

The utility model discloses further set up to: and a pressure spring is arranged on the inner hexagonal sleeve, and two ends of the pressure spring are respectively connected with the end part of the hexagonal bolt departing from the bottom die and the inner wall of the inner hexagonal sleeve.

Through adopting above-mentioned technical scheme, fastening pressure and frictional force between reinforcing hexagonal screw rod and the die block screw hole are avoided the hexagonal screw rod to accomplish to be connected the back not hard up, provide effectual fastening power.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the chain transmission assembly is used, a user rotates one of the driving screws to drive one of the inner hexagonal sleeves to rotate, so that the inner circumference of the inner hexagonal sleeve is rotated to abut against a nut at the upper end of a hexagonal bolt to drive the hexagonal bolt to rotate, and the rotation of the inner hexagonal sleeve drives the chain transmission assembly to drive other inner hexagonal sleeves to rotate together, so that the linkage disassembly and assembly of other hexagonal bolts are realized, the assembly and disassembly period of the hexagonal bolt is shortened, and the working efficiency is increased;

2. after the hexagonal bolt is in threaded connection with the bottom die, the locking nut on the driving screw rod is rotated until the locking nut is abutted against the inner side surface of the reinforcing rib, the loosening of the hexagonal bolt is avoided by limiting the rotation of the inner hexagonal sleeve, the nut and the threaded hole on the bottom die are matched to lock the rotation state of the hexagonal bolt in a duplex mode, the upper end of the hexagonal bolt stably abuts against the inner side of the reinforcing rib and cannot be easily loosened so as to reduce a gap between the side die and the bottom die, the side die and the bottom die are installed and fastened, the sealing performance of the template is improved, and slurry leakage is avoided;

3. the chain transmission assembly with the multiple groups of transmission chains reduces the friction resistance which needs to be overcome when the transmission chains rotate in an up-and-down staggered arrangement mode, effectively avoids the transmission difficulty caused by overlarge friction damping, and ensures the normal transmission.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the connection relationship between the bottom die and the side die of the present invention.

Fig. 3 is a schematic view of the connection relationship between the socket head cap and the hexagon bolt of the present invention.

Fig. 4 is a schematic structural view of the socket head of the present invention.

Fig. 5 is a schematic view of the connection between the chain drive assembly and the reinforcing bars according to the present invention.

In the figure, 1, a bottom die; 2. side mould; 3. reinforcing ribs; 31. zhang Jinkou; 32. a tension wheel; 4. an inner hexagonal sleeve; 41. a pressure spring; 5. a hexagon bolt; 6. a chain drive assembly; 61. a drive sprocket; 611. a first sprocket; 612. a second sprocket; 62. a drive chain; 7. a drive screw; 71. a locking nut; 72. a guide surface; 73. a card slot; 8. end die; 9. and (7) lifting lugs.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention clearer and easier to understand, the present invention is further explained below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 and 2, for the utility model discloses a precast beam template of convenient connection, place in subaerial die block 1 including the level, set up a pair of end mould 8 on die block 1, set up a pair of side form 2 between this pair of end mould 8, set up the strengthening rib 3 that is used for strengthening the netted evagination of side form 2 structural strength on the 2 outside surfaces of side form, a plurality of rotations are connected on strengthening rib 3 and are the hexagon socket head cap bush 4 that the line was arranged, a plurality of threaded connection on die block 1 and with hexagon socket head cap bush 4 sliding fit's hexagon bolt 5, a plurality of chain drive assembly 6 that set up between two adjacent hexagon socket head cap bushes 4, the lower extreme sets up on hexagon socket head cap bush 4 and wears to locate drive screw 7 on strengthening rib 3, and a plurality of lug 9 that set up in side form 2 and deviate from 1 one end of die block. The lifting lugs 9 are fixed on the tops of the reinforcing ribs 3 according to the installation directions on the same straight line with the vertical sections of the reinforcing ribs 3, namely the projection positions of the reinforcing ribs 3 arranged on the side molds 2 of the vertical sections can improve the deformation caused by stress concentration of lifting points during lifting. The bottom die 1, the side die 2, the end die 8, the other side die 2 and the other end die 8 surround to form a pouring cavity for pouring concrete, after a reinforcement cage for reinforcing the structural strength of the precast beam is hoisted into the pouring cavity, one of the driving screws 7 on the side die 2 is rotated to drive one of the inner hexagonal sleeves 4 to rotate, so that the inner periphery of the inner hexagonal sleeve 4 rotates to abut against the hexagonal nut at the upper end of the hexagonal bolt 5, and then the hexagonal bolt 5 is driven to rotate. Meanwhile, the inner hexagonal sleeves 4 rotate to drive the chain transmission assembly 6 to drive the inner hexagonal sleeves 4 on the other side molds 2 to rotate together, linkage disassembly and assembly of the hexagonal bolts 5 are achieved, and the assembly and disassembly periods of the hexagonal bolts 5 are shortened. And (3) connecting and locking the templates by virtue of the hexagon bolts 5, then injecting concrete into the pouring cavity, stirring the concrete by utilizing the vibrator, and removing the templates after the concrete in the pouring cavity is hardened to obtain the formed concrete precast beam.

Referring to fig. 2 and 3, the chain transmission assembly 6 includes a pair of driving sprockets 61 respectively disposed on the hexagon socket head 4, and a driving chain 62 engaged with the pair of driving sprockets 61, the driving sprocket 61 includes two first sprockets 611 and second sprockets 612 which are axially spaced and disposed on the hexagon socket head 4 and have the same structure, the height of the first sprocket 611 is greater than that of the second sprocket 612, in order to ensure stable operation of the chain transmission, the heights of all the first sprockets 611 are flush with each other, the heights of all the second sprockets 612 are flush with each other, and the driving chain 62 is parallel to the bottom die 1. The chain transmission assemblies 6 are arranged along the arrangement direction of the inner hexagonal sleeves 4 and are sequentially arranged in an up-down staggered manner, along the arrangement direction of the inner hexagonal sleeves 4, two ends of the transmission chain 62 on one side of each inner hexagonal sleeve 4 are respectively meshed with the first chain wheels 611 on the adjacent inner hexagonal sleeves 4, and two ends of the transmission chain 62 on the other side of each inner hexagonal sleeve 4 are respectively meshed with the second chain wheels 612 on the adjacent inner hexagonal sleeves 4. Namely, the transmission chains 62 on both sides of the inner hexagonal sleeves 4 are respectively engaged with the first chain wheel 611 and the second chain wheel 612, after both ends of the transmission chain 62 are disposed on one of the first chain wheel 611 or the second chain wheel 612 on two adjacent inner hexagonal sleeves 4, both ends of the next transmission chain 62 are disposed on the other one of the first chain wheel 611 or the second chain wheel 612 on the next two adjacent inner hexagonal sleeves 4. Compared with the mode that all the transmission chain wheels 61 are connected by a single transmission chain 62, the chain transmission assembly 6 with a plurality of groups of transmission chains 62 reduces the friction resistance which needs to be overcome when the transmission chains 62 rotate in an up-and-down staggered arrangement mode, and effectively avoids the transmission difficulty caused by overlarge friction damping.

Referring to fig. 3 and 4, in order to facilitate the user to rotate the driving screw 7, a non-cylindrical catching groove 73 is formed at the top end of the driving screw 7, and the catching groove 73 extends in the axial direction of the driving screw 7. In order to enable the hexagon bolts 5 to enter the threaded holes on the bottom die 1 from the inside of the inner hexagon socket 4 more smoothly, the bottom ends of the hexagon bolts 5 are provided with the guide surfaces 72, that is, the cross-sectional area of the bottom ends of the hexagon bolts 5 gradually decreases as approaching the bottom die 1, so that the transition is performed through the guide surfaces 72 to play a role in guiding. When hexagonal bolt 5 is required to be installed to lock side form 2 and die block 1, the operable screwdriver of user inserts the interior hexagonal sleeve 4 of driving screw 7 rotation in draw-in groove 73 with the wholesale head, and drive hexagonal bolt 5 and rotate, and then order about drive sprocket 61 and rotate, order about drive chain 62 and drive other interior hexagonal sleeve 4 and rotate, interior hexagonal sleeve 4 rotates the in-process and drives hexagonal bolt 5 and rotate, hexagonal bolt 5 rotates the in-process and rotates along the interior week screw thread of the screw hole on the die block 1, thereby make hexagonal bolt 5 carry out axial sliding relative interior hexagonal sleeve 4, until hexagonal bolt 5 inlays completely to the threaded hole. Thereby realizing the installation and fastening of the side die 2 and the bottom die 1.

In order to secure the fastening between the hexagon bolt 5 and the screw hole, a lock nut 71 is screwed to the upper end of the drive screw 7. Hexagon bolt 5 after the installation is accomplished after a period, only rely on the locking condition emergence that the bolt becomes flexible template and leak thick liquid easily to appear in the screw locking of hexagon bolt 5 self, consequently after hexagon bolt 5 and die block 1 threaded connection accomplish, lock nut 71 on the rotation drive screw 7 contradicts in the inboard surface of strengthening rib 3 until lock nut 71, rotation through limiting interior hexagonal sleeve 4 avoids the not hard up of hexagon bolt 5, the screw hole cooperation on nut and the die block 1 carries out the duplex locking to hexagon bolt 5's rotation state, the upper end of hexagon bolt 5 is stabilized to tightly support 3 inboards of strengthening rib and can not become flexible easily in order to reduce the gap between side form 2 and the die block 1, make installation fastening between side form 2 and the die block 1, be favorable to improving the leakproofness of template, avoid leaking thick liquid. Meanwhile, in order to ensure the tightness between the hexagon bolt 5 and the threaded hole, the inner hexagon sleeve 4 is provided with a pressure spring 41, and two ends of the pressure spring 41 are respectively connected to the end part of the hexagon bolt 5 departing from the bottom die 1 and the bottom wall of the hexagon hole in the inner hexagon sleeve 4. When 3 threaded connection die blocks 1 of strengthening rib are worn to establish by hexagon bolt 5, pressure spring 41 receives the compression gradually, and after threaded connection accomplished, the diapire of hexagon socket head cap bush 4 interior hexagonal hole and hexagon bolt 5's upper end are supported tightly at pressure spring 41 both ends, and fastening pressure and frictional force between reinforcing rib 3 and reinforcing rib are strengthened from this to the reinforcing pressure, avoid hexagon bolt 5 to accomplish to become flexible easily after connecting, provide effectual fastening force for the template, play further spacing location's effect. When the hexagon bolt 5 needs to be removed, the locking of the threaded connection can be released by performing reverse operation, namely reversely rotating the locking nut 71 and then reversely rotating the inner hexagon sleeve 4.

Referring to fig. 2 and 5, the reinforcing rib 3 is provided with a tensioning opening 31 for the transmission chain 62 to pass through, the inner wall of the tensioning opening 31 is rotatably connected with a pair of tensioning wheels 32, the axial lines of the tensioning wheels 32 and the transmission chain wheel 61 are vertical, the distance between the axial centers of the tensioning wheels 32 is smaller than the diameter of the root circle of the transmission chain wheel 61, and the surface of the tensioning wheels 32 is in rolling fit with the side surface of the transmission chain 62. The transmission chain 62 is slidably arranged on the reinforcing rib 3 along the tensioning opening 31, and the tensioning wheel 32 applies pressure to the transmission chain 62 to ensure that the transmission chain 62 keeps proper tension, so that the transmission chain 62 is stably meshed with the transmission chain wheel 61, and the phenomenon of tooth jumping or chain falling in the transmission process of the transmission chain 62 can be avoided.

The implementation principle of the embodiment is as follows: during installation, after a reinforcement cage for reinforcing the structural strength of the precast beam is hoisted into the pouring cavity, one of the driving screws 7 on the side mold 2 is rotated to drive one of the inner hexagonal sleeves 4 to rotate, so that the inner circumference of the inner hexagonal sleeve 4 rotates and is abutted to a nut at the upper end of the hexagon bolt 5, and the hexagon bolt 5 is driven to rotate. Meanwhile, the inner hexagonal sleeves 4 rotate to drive the chain transmission assembly 6 to drive the inner hexagonal sleeves 4 on the other side dies 2 to rotate together, linkage disassembly and assembly of other hexagonal bolts 5 are achieved, and the assembly and disassembly periods of the hexagonal bolts 5 are shortened. And (3) connecting and locking the templates by virtue of the hexagon bolts 5, then injecting concrete into the pouring cavity, stirring the concrete by utilizing the vibrator, and removing the templates after the concrete in the pouring cavity is hardened to obtain the formed concrete precast beam.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (7)

1. The utility model provides a precast beam template of convenient connection, includes die block (1), set up in a pair of end mould (8) on die block (1) and set up a pair of side form (2) between this pair of end mould (8), the outside surface of side form (2) has strengthening rib (3) of netted evagination, its characterized in that: still include a plurality of rotation connect in hexagon socket head cap sleeve (4), a plurality of threaded connection that the in-line was arranged on strengthening rib (3) go up and with hexagon socket head cap sleeve (4) sliding fit's hexagon bolt (5), set up chain drive subassembly (6) between two adjacent hexagon socket head cap sleeve (4) and wear to locate drive screw (7) on strengthening rib (3), the lower extreme of drive screw (7) set up in upper and lower end threaded connection has lock nut (71) on hexagon socket head cap sleeve (4).

2. The precast beam formwork convenient to connect according to claim 1, wherein: the chain transmission assemblies (6) are arranged along the arrangement direction of the inner hexagonal sleeves (4) and are sequentially arranged in an up-and-down staggered manner, and each chain transmission assembly (6) comprises a pair of transmission chain wheels (61) which are respectively arranged on the inner hexagonal sleeves (4) and a transmission chain (62) which is sleeved on the transmission chain wheels (61).

3. The precast beam formwork convenient to connect according to claim 2, wherein: the reinforcing rib (3) is provided with a tensioning opening (31) for the transmission chain (62) to penetrate through, the Zhang Jinkou (31) is connected with a pair of tensioning wheels (32) in a rotating mode, the axial leads of the tensioning wheels (32) and the transmission chain wheel (61) are perpendicular, and the surfaces of the tensioning wheels (32) are matched with the side faces of the transmission chain (62) in a rolling mode.

4. The precast beam formwork convenient to connect according to claim 1, wherein: the bottom end of the hexagon bolt (5) is provided with a guide surface (72).

5. The precast beam formwork convenient to connect according to claim 1, wherein: non-cylindrical draw-in groove (73) have been seted up on the top of drive screw (7), the axial extension of drive screw (7) is followed in draw-in groove (73), the inner wall of draw-in groove (73) supplies outside instrument to contradict.

6. The precast beam formwork convenient to connect according to claim 1, wherein: the side die (2) is provided with a plurality of lifting lugs (9), and the lifting lugs (9) are fixed on the top of the reinforcing rib (3) according to the installation position on the same straight line with the vertical section of the reinforcing rib (3).

7. The precast beam formwork convenient to connect according to claim 1, wherein: be provided with pressure spring (41) on interior hexagonal sleeve (4), the both ends of pressure spring (41) connect respectively in hexagon bolt (5) deviate from the tip of die block (1) with the inner wall of interior hexagonal sleeve (4).

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