CN111496441A - A system for making steel bar formwork for prefabricated concrete - Google Patents

Abstract

The invention relates to a system for making a concrete prefabricated steel bar formwork, comprising a base, an outer support mechanism, a telescopic plate, an adjusting frame, an adjusting bolt, a positioning mechanism and a supporting mechanism, wherein the base is a hollow cylinder structure, Adjusting grooves are symmetrically arranged on the outer surface of the upper end of the base, and a set of outer support mechanisms are symmetrically distributed at the upper and lower ends of the outer surface of the base, and the positions of the two sets of outer support mechanisms correspond one-to-one. The invention can solve the existing problems in the processing and manufacture of the steel bar formwork: the locking fixture of the steel bar ring has poor pertinence, each locking fixture can only support and lock the steel bar ring on one type of steel bar formwork, and the steel bar is locked. The locking of the ring is unstable, which causes problems such as influence when the reinforcement ring is welded to the stirrup.

Description

A system for making steel bar formwork for prefabricated concrete

technical field

The invention relates to the technical field of concrete prefabricated parts, in particular to a system for making a steel bar formwork for forming concrete prefabricated parts.

Background technique

Electric power, telecommunication, heat, gas, sewage, reclaimed water and other pipelines are arranged underground on municipal roads. In order to facilitate the inspection and maintenance of pipelines, manhole covers need to be set up in municipal principles. Before laying and installing the municipal manhole cover, it is necessary to place a steel formwork on the outside of the manhole cover and pour concrete on the steel formwork to increase the support stability of the manhole cover.

Reinforcing formwork is a frame structure formed by welding two sets of inner and outer reinforcing steel rings distributed up and down through stirrups. Reinforcing formwork can increase the support effect of the manhole cover before installation and prevent the manhole cover from sinking; The two groups of reinforcement rings need to be locked separately, and then the stirrups are manually welded to the outside of the structure composed of the reinforcement rings. The existing problems in the processing and production of the reinforcement formwork are as follows:

1. The locking fixture of the steel bar ring is less targeted, each locking fixture can only support and lock the steel bar ring on one type of steel bar formwork, and the locking of the steel bar ring is unstable, so when the steel bar ring and the stirrup are welded cause an impact;

2. When the stirrups are welded, they need to be adjusted and grasped manually, so that the stirrups cannot be arranged perpendicular to the steel ring, resulting in poor processing effect of the steel formwork, and there will be certain safety hazards when manually grasping the stirrups .

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a system for making a concrete prefabricated steel bar formwork, including a base, an outer support mechanism, a telescopic plate, an adjusting frame, an adjusting bolt, a positioning mechanism and a supporting mechanism. It is a hollow cylinder structure, the upper end of the base is symmetrically provided with adjustment grooves on the outer side, the outer side of the base is symmetrically distributed at the upper and lower ends with a set of external support mechanisms, and the positions of the two sets of external support mechanisms correspond one-to-one;

The outer support mechanism located at the lower end of the base is installed on the outer surface of the base, the outer support mechanism located at the upper end of the base is located outside the adjustment groove, and a telescopic plate is connected between the middle parts of the two adjacent outer support mechanisms up and down. The upper end of the telescopic plate is the telescopic end, and the adjusting frame is located in the hollow structure of the base. It is installed on the upper end face of the middle part of the adjusting frame, the middle part of the adjusting bolt is connected with the upper side wall of the base by means of threaded fitting, the positioning mechanism is installed on the outer surface of the middle part of the base, and the two outer sides adjacent to the lower end of the base are installed. A support mechanism is installed between the inner ends of the support mechanism, and the invention can support the steel bar rings on the steel bar formwork, so that the steel bar rings can be locked, so that the stirrups can be welded on the steel bar rings, and the expansion plate is driven by the positioning mechanism to carry out The inner and outer positions are adjusted, and the telescopic plate can drive the outer support mechanism to move synchronously inside and outside, so that the upper and lower groups of the outer support mechanism of the base can support an inner steel ring and an outer steel ring respectively. The outer support mechanism at the upper end of the base is driven to move up and down synchronously. At this time, the telescopic plate can cooperate with the telescopic movement, so that the frame of the formwork is formed between the steel rings, and then the stirrups are clamped on the structure composed of the steel rings. The support mechanism can position the stirrup, so that the position of the stirrup will not change when it is welded on the steel ring, thereby increasing the processing effect of the steel formwork.

The outer support mechanism includes an outer support column, a first support body, a second support body, an outer support slider and an outer support spring. The outer support column is a telescopic structure, and the telescopic plate is connected to the telescopic end of the outer support column. The upper end face of the middle part of the strut is provided with a T-slot, the T-slot is located on the outside of the telescopic plate, the first strut is installed on the top of the outer end of the outer strut, the second strut is located above the T-slot, and the second strut is located on the top of the outer strut. An outer support slider that is slidingly matched with the T-shaped groove is installed on the bottom of the outer support block, and the inner side of the outer support slider is installed on the inner wall of the T-shaped groove through the outer support spring. The ring is supported and locked, so that the steel ring is in a stable state during welding. When the telescopic plate drives the outer support column to perform telescopic movement, the first support body can support the outer steel ring from the inside. After the outer steel ring is locked, The second support body is pulled inward, so that the second support body can support and lock the inner steel bar ring, so that the steel bar ring can be in a stable state.

The positioning mechanism includes a positioning seat, a linkage rod, a positioning support plate, a positioning spring column and an insert rod. A ring-shaped slider is arranged on the inner side of the middle part of the positioning seat, and a ring-shaped slider is arranged on the inner side of the middle part of the base. The matching annular chute, this arrangement can increase the smoothness of the rotation of the positioning seat. A linkage rod is symmetrically installed on the outer surface of the positioning seat through a hinge, and the outer end of the linkage rod is mounted on the lower end of the telescopic plate through a hinge. The top is symmetrically arranged with sockets along its circumferential direction;

The positioning support plate is located above the positioning seat, the positioning support plate is installed on the outer side of the base, and the positioning support plate is connected with the middle of the positioning spring column by sliding fit. The rod is inserted into the socket set on the positioning seat. During the specific operation, the positioning mechanism can drive the outer support column to perform telescopic movement through the telescopic plate. The positioning seat rotates, and the rotation of the positioning seat can drive the angle of the linkage rod to change, so that the linkage rod pushes the telescopic plate to move inside and outside under the connection of the hinge, and then loosens the positioning spring to insert the rod into the jack, so that Lock the position of the positioning seat.

The supporting mechanism includes a supporting bracket, a supporting sliding block, a supporting support rod, a clamping plate, a clamping connecting plate and a clamping spring column. The supporting bracket is an arc structure, and the supporting bracket is installed on the base. Between the fixed ends of the two outer support columns adjacent to the lower ends, the support bracket is connected with the support slider by sliding fit, and a support rod is installed on the outer end of the support slider.

As a preferred technical solution of the present invention, two clamping plates are symmetrically arranged at the outer ends of the supporting struts, and the outer side of each clamping plate is connected with the inner end of a clamping spring column, which clamps the springs. The middle part of the column is connected with the clamping connecting plate by means of sliding fit. The clamping connecting plate is an L-shaped structure, and the lower end of the clamping connecting plate is installed on the side of the supporting rod. The stirrups are clamped, so that the stirrups are arranged perpendicular to the steel ring and are in a stable state, so that the stirrups can be quickly welded to the steel ring, and the support slider can slide on the support bracket, so that the position of the support rod Corresponding to the position of the stirrup, the clamping plate can clamp the left and right sides of the lower end of the stirrup under the action of the clamping elastic column, so that the stirrup and the steel ring are in a vertical state, and the stirrup will not be offset. The stirrups are then welded to the rebar rings by hand.

As a preferred technical solution of the present invention, a certain gap is left between the inner wall of the upper end of the support slider and the top of the support bracket, and the upper side wall of the support slider is slidingly fitted with the support spring. The middle part of the column is connected, and a friction block is installed on the lower end of the supporting slider, and the upper side of the bottom bearing bracket of the friction block is a friction fit. Under the action of the supporting elastic column, the friction block can press the upper side of the supporting bracket with a certain strength, so that the supporting slider will not move at will. When the stirrup is welded, pull the supporting elastic upward. column, and press the support slider down to a certain height, so that the clamping plate can be separated from the stirrup, and then move the support slider to other positions of the support bracket so that the stirrups can be carried out in other positions of the steel ring. The expansion and contraction force of the supporting spring column is greater than that of the clamping spring column, so that when the stirrup is locked between the clamping plates, the supporting slider will not move up and down.

As a preferred technical solution of the present invention, the clamping plate has a stepped structure, and the height of the outer end of the clamping plate is greater than the height of the inner end thereof, and the height of the inner end of the clamping plate is the same as the height of the upper side of the telescopic end of the outer strut. Correspondingly, this arrangement makes the height of the inner end of the clamping plate correspond to the height of the bottom of the reinforcement ring, the inner side of the outer end of the clamping plate is provided with a bevel, and the inner end of the stepped structure of the clamping plate can prevent the clamping plate It is stuck at the bottom of the inner reinforcement ring, so that the supporting slider cannot move smoothly, and the bevel at the inner end of the clamping plate can facilitate the insertion of the stirrup between the two clamping plates.

As a preferred technical solution of the present invention, the first support body has the same structure as the second support body, and the outer side surface of the lower end of the first support body is provided with an arc-shaped groove, and the cross-section of the arc-shaped groove is circular. An oblique groove is arranged on the outer side of the upper end of a support body. The arc-shaped groove of the first support body can stably support the steel bar ring and increase the support and locking effect of the steel bar ring. The inclined groove on the first support body can prevent the steel bar ring from occurring. Swipe up.

As a preferred technical solution of the present invention, the insertion hole on the positioning seat is of a reaming structure, a toggle plate is arranged on the outer side of the positioning seat, and the reaming structure of the insertion hole on the positioning seat can facilitate the insertion of the insertion rod There, the toggle plate can conveniently rotate the positioning seat manually.

The beneficial effects of the present invention are:

1. The present invention can support and lock the steel bar rings in the steel bar formwork, and adjust the distance between the steel bar rings, so that the steel bar rings can form a suitable formwork size, increase the forming effect of the steel bar formwork, and stabilize the locking The reinforcing steel ring can prevent the steel ring from shaking when the stirrup is welded, thereby increasing the effect of the steel formwork for the stirrup welding. The vertical state increases the welding efficiency and effect of stirrups;

2. The positioning mechanism of the present invention can adjust the position of the outer support mechanism, so that the outer support mechanism can support and lock different types of inner steel bar rings and outer steel bar rings respectively, so that the steel bar rings are in a stable state during welding;

3. The rotation of the adjusting bolt of the present invention enables the adjusting frame to drive the outer support mechanism at the upper end of the base to move up and down synchronously, and the telescopic plate can cooperate with the telescopic movement at this time, so that the frame of the formwork is formed between the steel rings;

Fourth, the support mechanism of the present invention can clamp the stirrups, so that the stirrups are arranged perpendicular to the steel ring and are in a stable state, so that the stirrups can be quickly welded to the steel ring;

5. The arc-shaped grooves of the first support body and the second support body of the present invention can stably support the steel bar ring, increase the support and locking effect of the steel bar ring, and the inclined grooves on the first support body and the second support body can prevent the steel bar The ring slides up.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the first structural representation of the present invention;

Fig. 2 is the second structural representation of the present invention;

3 is a cross-sectional view between the base of the present invention and the positioning mechanism;

Fig. 4 is the structural representation of the supporting mechanism of the present invention;

5 is a schematic structural diagram of the present invention between the support bracket, the support slider, the support spring column and the friction block;

Fig. 6 is the sectional view of the external support mechanism of the present invention;

FIG. 7 is a schematic structural diagram of the reinforcement ring and the stirrup after positioning.

Detailed ways

The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

As shown in Figures 1 to 7, a system for making a steel bar formwork for prefabricated concrete includes a base 1, an outer support mechanism 2, a telescopic plate 3, an adjustment frame 4, an adjustment bolt 5, a positioning mechanism 6 and a supporting mechanism 7. The base 1 is a hollow cylindrical structure, the upper side of the base 1 is symmetrically provided with adjustment grooves 11, and the upper and lower ends of the base 1 are symmetrically distributed with a group of external support mechanisms 2, two groups The positions of the external support mechanism 2 correspond one by one;

The outer support mechanism 2 located at the lower end of the base 1 is installed on the outer surface of the base 1, and the outer support mechanism 2 located at the upper end of the base 1 is located outside the adjustment groove 11. A telescopic plate 3 is connected between the two, the upper end of the telescopic plate 3 is a telescopic end, the adjustment frame 4 is located in the hollow structure of the base 1, the outer end of the adjustment frame 4 passes through the adjustment groove 11, and the outer side of the adjustment frame 4 and the base 1. The outer support mechanism 2 at the upper end is connected, the bottom of the adjusting bolt 5 is installed on the upper end surface of the middle part of the adjusting frame 4 through the bearing, and the middle part of the adjusting bolt 5 is connected with the upper side wall of the base 1 by means of screw fitting. A positioning mechanism 6 is installed on the outer surface of the middle part of the base 1, and a supporting mechanism 7 is installed between the inner ends of the two outer support mechanisms 2 adjacent to the lower end of the base 1. Support, so that the steel ring can be locked, and it is convenient for the stirrups to be welded on the steel ring. The positioning mechanism 6 drives the expansion board 3 to adjust the inner and outer positions, and the expansion board 3 can drive the outer support mechanism 2 to move synchronously inside and outside, so that the The upper and lower sets of outer support mechanisms 2 can respectively support an inner reinforcement ring and an outer reinforcement ring. By twisting the adjustment bolt 5, the adjustment frame 4 can drive the outer support mechanism 2 on the upper end of the base 1 to move up and down synchronously. The telescopic plate 3 can cooperate with the telescopic movement, so that the frame of the formwork is formed between the steel rings, and then the stirrups are clamped on the structure composed of the steel rings, and the stirrups can be positioned by the supporting mechanism 7, so that the stirrups are welded. No position change occurs when on the rebar ring, thereby increasing the processing effect of the rebar formwork.

The outer support mechanism 2 includes an outer support column 21, a first support body 22, a second support body 23, an outer support slider 24 and an outer support spring 25. The outer support column 21 is a telescopic structure, and the telescopic plate 3 is connected to the outside. On the telescopic end of the support column 21, a T-shaped groove is provided on the upper end surface of the middle part of the outer support column 21, and the T-shaped groove is located on the outer side of the telescopic plate 3. A first support body 22 is installed on the top of the outer end of the outer support column 21, and the second The support body 23 is located above the T-shaped groove, and the bottom of the second support body 23 is installed with an outer support slider 24 that slides into the T-shaped groove. On the inner wall of the groove, when working, the outer support mechanism 2 can support and lock different types of reinforcement rings, so that the reinforcement rings are in a stable state during welding. The first support 22 can support the outer steel ring from the inside. After the outer steel ring is locked, the second support 23 is pulled inward, so that the second support 23 can support and lock the inner steel ring, so that the steel ring can be locked. in a stable state.

The first support body 22 and the second support body 23 have the same structure. The outer side of the lower end of the first support body 22 is provided with an arc-shaped groove, and the cross-section of the arc-shaped groove is circular. The side is provided with an oblique groove. The arc-shaped groove of the first support body 22 can stably support the steel bar ring and increase the support and locking effect of the steel bar ring. The inclined groove on the first support body 22 can prevent the steel bar ring from sliding upwards.

The positioning mechanism 6 includes a positioning seat 61, a linkage rod 62, a positioning support plate 63, a positioning spring column 64 and an insertion rod 65. The inner surface of the middle part of the positioning seat 61 is provided with an annular slider, and the inner surface of the middle part of the base 1 is provided. There is an annular chute matched with the annular slider, which can increase the smoothness of the rotation of the positioning seat 61. The outer surface of the positioning seat 61 is symmetrically installed with a linkage rod 62 through a hinge, and the outer end of the linkage rod 62 passes through The hinge is installed on the lower end of the telescopic plate 3, and the top of the positioning seat 61 is symmetrically provided with a socket along its circumferential direction;

The positioning support plate 63 is located above the positioning seat 61 , the positioning support plate 63 is installed on the outer side of the base 1 , the positioning support plate 63 is connected with the middle of the positioning spring column 64 by sliding fit, and the bottom of the positioning spring column 64 is connected. The insertion rod 65 is installed on it, and the insertion rod 65 is inserted into the jack provided by the positioning seat 61. During specific operation, the positioning mechanism 6 can drive the outer support column 21 to perform telescopic movement through the telescopic plate 3, and pull the positioning spring column 64 upward to make The insertion rod 65 is removed from the socket on the positioning seat 61, and then the positioning seat 61 is rotated. The rotation of the positioning seat 61 can drive the linkage rod 62 to change the angle, so that the linkage rod 62 pushes the telescopic plate under the connection of the hinge. 3. Move inside and outside, and then release the positioning spring 64 so that the insertion rod 65 is inserted into the socket, so as to lock the position of the positioning seat 61.

The insertion hole on the positioning seat 61 is of a reaming structure, and a toggle plate 66 is provided on the outer side of the positioning seat 61. The plate 66 can conveniently rotate the positioning base 61 manually.

The supporting mechanism 7 includes a supporting bracket 71, a supporting slider 72, a supporting support rod 73, a clamping plate 74, a clamping connecting plate 75 and a clamping elastic column 76, and the supporting bracket 71 is an arc structure. , the bearing bracket 71 is installed between the fixed ends of the two outer struts 21 adjacent to the lower end of the base 1, and the bearing bracket 71 is connected with the bearing slider 72 by sliding fit, and the bearing slider 72 A support rod 73 is installed on the outer end of the

Two clamping plates 74 are symmetrically arranged on the outer end of the supporting rod 73 , and the outer side of each clamping plate 74 is connected with the inner end of a clamping spring 76 , and the middle of the clamping spring 76 slides through the The way of cooperation is connected with the clamping connecting plate 75. The clamping connecting plate 75 is an L-shaped structure. The lower end of the clamping connecting plate 75 is installed on the side of the supporting rod 73. The stirrups are clamped, so that the stirrups are arranged perpendicular to the rebar rings and are in a stable state, so that the stirrups can be quickly welded to the rebar rings, and the support slider 72 can slide on the support bracket 71, so that the support rods The position of 73 corresponds to the position of the stirrup, and the clamping plate 74 can clamp the left and right sides of the lower end of the stirrup under the action of the clamping elastic column 76, so that the stirrup and the steel ring are in a vertical state, and the stirrup is in a vertical state. The bars are not deflected, and the stirrups are then manually welded to the rebar rings.

There is a certain gap between the inner wall of the upper end of the support slider 72 and the top of the support bracket 71, and the upper side wall of the support slider 72 is connected with the middle of the support spring column 77 by sliding fit. A friction block 78 is installed on the lower end of the supporting slider 72 , and the upper sides of the bottom supporting bracket 71 of the friction block 78 are in friction fit. Under the action of the supporting elastic column 77, the friction block 78 can press the upper side of the supporting bracket 71 with a certain strength, so that the supporting sliding block 72 will not move at will. Pull the support spring 77 and press the support slider 72 downward to a certain height, so that the clamping plate 74 can be separated from the stirrup, and then move the support slider 72 to other positions of the support bracket 71 In order to perform the welding action of stirrups at other positions of the steel ring, the expansion and contraction force of the supporting spring column 77 is greater than the expansion and contraction force of the clamping spring column 76, so that when the stirrup is locked between the clamping plates 74, the supporting slider 72 will not Movement up and down occurs.

The clamping plate 74 has a stepped structure, and the height of the outer end of the clamping plate 74 is greater than the height of its inner end, and the height of the inner end of the clamping plate 74 corresponds to the height of the upper side of the telescopic end of the outer strut 21 . The height of the inner end of the clamping plate 74 corresponds to the height of the bottom of the reinforcing steel ring, the inner side of the outer end of the clamping plate 74 is provided with an oblique angle, and the inner end of the stepped structure of the clamping plate 74 can prevent the clamping plate 74 from being stuck. The bottom of the inner reinforcement ring prevents the support slider 72 from moving smoothly, and the bevel at the inner end of the clamping plate 74 can facilitate the insertion of stirrups between the two clamping plates 74 .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. The utility model provides a concrete prefabricated member shaping steel reinforcement die carrier manufacturing system, includes base (1), outer supporting mechanism (2), expansion plate (3), alignment jig (4), adjusting bolt (5), positioning mechanism (6) and bearing mechanism (7), its characterized in that: the base (1) is of a hollow cylinder structure, the outer side surface of the upper end of the base (1) is symmetrically provided with adjusting grooves (11), the upper end and the lower end of the outer side surface of the base (1) are symmetrically distributed with a group of external support mechanisms (2), and the positions of the two groups of external support mechanisms (2) are in one-to-one correspondence;

the outer supporting mechanism (2) positioned at the lower end of the base (1) is arranged on the outer side surface of the base (1), the outer supporting mechanism (2) positioned at the upper end of the base (1) is positioned at the outer side of the adjusting groove (11), the middle parts of two upper and lower adjacent outer supporting mechanisms (2) are connected with the expansion plate (3), the upper end of the expansion plate (3) is a telescopic end, the adjusting frame (4) is positioned in the hollow structure of the base (1), the outer end of the adjusting frame (4) penetrates through the adjusting groove (11), the outer side surface of the adjusting frame (4) is connected with the outer supporting mechanism (2) positioned at the upper end of the base (1), the bottom of the adjusting bolt (5) is arranged on the upper end surface of the middle part of the adjusting frame (4) through a bearing, the middle part of the adjusting bolt (5) is connected with the upper side wall of the base (1) in a thread fit mode, and, a bearing mechanism (7) is arranged between the inner ends of two adjacent external supporting mechanisms (2) at the lower end of the base (1); wherein:

the outer supporting mechanism (2) comprises an outer supporting column (21), a first supporting body (22), a second supporting body (23), an outer supporting sliding block (24) and an outer supporting spring (25), the outer supporting column (21) is of a telescopic structure, a telescopic plate (3) is connected to the telescopic end of the outer supporting column (21), a T-shaped groove is formed in the upper end face of the middle of the outer supporting column (21), the T-shaped groove is located on the outer side of the telescopic plate (3), the first supporting body (22) is installed on the top of the outer end of the outer supporting column (21), the second supporting body (23) is located above the T-shaped groove, the outer supporting sliding block (24) in sliding fit with the T-shaped groove is installed on the bottom of the second supporting body (23), and the inner side face of the outer supporting sliding block (24) is installed on the inner wall of the T-shaped groove through the outer supporting spring (;

the positioning mechanism (6) comprises a positioning seat (61), a linkage rod (62), a positioning support plate (63), a positioning elastic column (64) and an insertion rod (65), wherein an annular slide block is arranged on the inner side surface of the middle part of the positioning seat (61), an annular slide groove matched with the annular slide block is arranged on the inner side surface of the middle part of the base (1), the linkage rod (62) is symmetrically installed on the outer side surface of the positioning seat (61) through a hinge, the outer end of the linkage rod (62) is installed on the lower end of the expansion plate (3) through a hinge, and insertion holes are symmetrically formed in the top of the positioning seat (61) along the circumferential direction of;

the positioning support plate (63) is positioned above the positioning seat (61), the positioning support plate (63) is installed on the outer side surface of the base (1), the positioning support plate (63) is connected with the middle of the positioning elastic column (64) in a sliding fit mode, an insertion rod (65) is installed on the bottom of the positioning elastic column (64), and the insertion rod (65) is inserted into an insertion hole formed in the positioning seat (61);

the bearing mechanism (7) comprises a bearing bracket (71), a bearing sliding block (72), a bearing support rod (73), a clamping plate (74), a clamping connecting plate (75) and a clamping elastic column (76), wherein the bearing bracket (71) is of an arc-shaped structure, the bearing bracket (71) is installed between fixed ends of two outer supporting columns (21) adjacent to the lower end of the base (1), the bearing bracket (71) is connected with the bearing sliding block (72) in a sliding fit mode, and the outer end of the bearing sliding block (72) is provided with the bearing support rod (73).

2. The concrete precast member forming reinforcement formwork manufacturing system according to claim 1, wherein two clamping plates (74) are symmetrically arranged at the outer end of the supporting rod (73), the outer side surface of each clamping plate (74) is connected with the inner end of one clamping elastic column (76), the middle part of the clamping elastic column (76) is connected with the clamping connecting plate (75) in a sliding fit mode, the clamping connecting plate (75) is of an L type structure, and the lower end of the clamping connecting plate (75) is installed on the side surface of the supporting rod (73).

3. The system for manufacturing the concrete precast member forming reinforcement formwork according to claim 1, wherein: the bearing device is characterized in that a certain gap is reserved between the inner wall of the upper end of the bearing sliding block (72) and the top of the bearing bracket (71), the upper side wall of the bearing sliding block (72) is connected with the middle of the bearing elastic column (77) in a sliding fit mode, a friction block (78) is installed at the lower end of the bearing sliding block (72), and the upper side face of the bottom bearing bracket (71) of the friction block (78) is in friction fit.

4. The system for manufacturing the concrete precast member forming reinforcement formwork according to claim 3, wherein: the telescopic force of the bearing elastic column (77) is greater than that of the clamping elastic column (76).

5. The system for manufacturing the concrete precast member forming reinforcement formwork according to claim 1, wherein: the clamping plate (74) is of a stepped structure, the height of the outer end of the clamping plate (74) is larger than that of the inner end of the clamping plate, the height of the inner end of the clamping plate (74) corresponds to the height of the upper side face of the telescopic end of the outer support column (21), and an oblique angle is arranged on the inner side face of the outer end of the clamping plate (74).

6. The system for manufacturing the concrete precast member forming reinforcement formwork according to claim 1, wherein: the structure of the first supporting body (22) is the same as that of the second supporting body (23), an arc-shaped groove is formed in the outer side face of the lower end of the first supporting body (22), the cross section of the arc-shaped groove is circular, and a chute is formed in the outer side face of the upper end of the first supporting body (22).

7. The system for manufacturing the concrete precast member forming reinforcement formwork according to claim 1, wherein: the jack on positioning seat (61) be reaming structure, be provided with on the lateral surface of positioning seat (61) and dial plate (66).

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