CN210152323U

CN210152323U - Formwork support frame

Info

Publication number: CN210152323U
Application number: CN201920910424.XU
Authority: CN
Inventors: 方翠兰; 周敏
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-03-17
Anticipated expiration: 2029-06-17

Abstract

The utility model relates to the technical field of building construction die carriers, in particular to a template support frame, which comprises a support rod, wherein the lower end of the support rod is provided with a self-locking fine adjustment mechanism, a slide rod is arranged below the self-locking fine adjustment mechanism, and the outer side of the slide rod is slidably connected with a loop bar; the slide bar is provided with a plurality of guide holes which penetrate through the axis of the slide bar, and the guide holes are distributed along the axial direction of the slide bar; the loop bar is provided with a through hole which can be opposite to the guide hole, and a lock bar is detachably connected in the through hole. The utility model discloses in set up loop bar and slide bar in the below of bracing piece for constructor can stand and highly adjust the support frame subaerial, realize the coarse adjustment through the cooperation of slide bar with the loop bar simultaneously, realize the fine tuning through self-locking type fine-tuning, and the height of support frame after the fine tuning is locked and can't change, the problem that the support frame height changed easily after adjusting among the prior art has been solved, make the support of support frame more stable, thereby make the surface quality of face of pouring obtain guaranteeing.

Description

Formwork support frame

Technical Field

The utility model relates to a construction die carrier technical field, in particular to formwork support frame.

Background

The building formwork is a temporary supporting structure, which is manufactured according to the design requirement, so that a concrete structure and a member are formed according to the specified position and geometric dimension, the correct position of the concrete structure and the member is kept, the self weight of the building formwork and the external load acting on the building formwork are borne, and when the formwork is fixed, the formwork support frame is required to be used for supporting the formwork, so that the formwork can stably bear the load. However, in the construction process, because the heights of various buildings or other buildings are different, the supporting frames with specific lengths are required to be used in specific occasions, so that the supporting frames with various heights are required to be matched, and the construction cost is increased invisibly.

In order to solve the problems, the chinese patent with publication number CN2755224Y discloses a formwork support frame, which comprises a telescopic tube, a screw, a threaded seat and a plug pin, wherein the threaded seat is sleeved or inserted and circumferentially and slidably matched with the tail end of the telescopic tube; the screw rod is matched with a threaded through hole in the center of the threaded seat; the wall of the telescopic sleeve is provided with a plurality of through holes which are longitudinally distributed, and the inner diameter of each through hole is larger than the outer diameter of each bolt. In the scheme, the height of the support frame can be roughly adjusted through the matching of the telescopic sleeve, the through hole and the bolt, the height of the support frame can be finely adjusted through the threaded matching of the screw rod and the threaded seat, and the height of the support frame can be adjusted through rough adjustment and fine adjustment so as to meet different construction places. Although this patent has solved the problem of support frame height-adjustable, because its thick strip height and accurate height-adjusting all are located telescopic tube's top, and in the construction building, the floor height of floor is generally 2.8-2.9 meters, and this just makes constructor inconvenient when formwork support adjust the height of support frame, and it is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a formwork support frame has solved the problem of inconvenient regulation support frame height.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a template support frame comprises a support rod, wherein a self-locking type fine adjustment mechanism is arranged at the lower end of the support rod, a sliding rod is arranged below the self-locking type fine adjustment mechanism, and a loop bar is connected to the outer side of the sliding rod in a sliding manner; the slide bar is provided with a plurality of guide holes which penetrate through the axis of the slide bar, and the guide holes are distributed along the axial direction of the slide bar; the loop bar is provided with a through hole which can be opposite to the guide hole, and a lock bar is detachably connected in the through hole.

The principle of the utility model is that: when the supporting frame is used, the supporting rod is vertically placed, the top end of the supporting rod abuts against the supporting beam or the template, the bottom end of the supporting rod is connected with the self-locking type fine adjustment mechanism, a sliding rod and a loop bar are connected below the self-locking type fine adjustment mechanism, the connecting length of the sliding rod, the loop bar, the self-locking type fine adjustment mechanism and the supporting rod is approximately equal to the supporting height of the required supporting frame by adjusting the relative positions of the sliding rod and the loop bar, meanwhile, a through hole in the loop bar is opposite to one guide hole in the sliding rod, then, a locking rod is inserted into the through hole and the guide hole, the sliding rod and the loop bar are mutually fixed; and then, the self-locking fine adjustment mechanism is utilized to finely adjust the supporting rod to realize the fine adjustment of the height, and finally, the supporting frame provides accurate support for the supporting beam or the template through the coarse adjustment and the fine adjustment of the height of the supporting frame.

The advantage of adopting above-mentioned scheme is that the convenience highly adjusts the support frame, compare the top that the part of height-adjusting is located the bracing piece among prior art, in this application, slide bar to support frame altitude mixture control, loop bar and self-locking type fine-tuning all are the below that is located the bracing piece, through setting up the length of loop bar and slide bar, can make self-locking type fine-tuning moderate apart from the distance on ground, make constructor stand and can accomplish thick strip and fine setting to the support frame height on ground, it is very convenient to operate.

Further, the self-locking fine adjustment mechanism comprises a base, a first piston cavity, a second piston cavity and a third piston cavity which are communicated with each other and internally provided with compressed media are arranged in the base, and the third piston cavity is vertically arranged; an inflow check valve only enabling the compressed medium to flow to the second piston cavity is arranged between the first piston cavity and the second piston cavity, a discharge check valve only enabling the compressed medium to flow to the third piston cavity is arranged between the second piston cavity and the third piston cavity, and a stop valve is arranged between the first piston cavity and the third piston cavity; the second piston cavity is connected with a push-pull piston plate in a sliding mode, the third piston cavity is connected with a jacking piston plate in a sliding mode, and the jacking piston plate is fixedly connected with the supporting rod.

When the support frame height is finely adjusted in need, at first, there is the certain distance between bracing piece top and a supporting beam or the template with the bracing piece support, then order about push-and-pull piston board and make a round trip to slide in the second piston intracavity, when second piston intracavity volume increase, the second piston chamber produces the negative pressure, the second piston chamber inhales the compression medium from the first piston intracavity, when second piston intracavity volume is compressed, the second piston chamber produces the high pressure, the second piston chamber impresses the compression medium third piston chamber, make third piston intracavity pressure increase, because the vertical setting in third piston chamber, thereby order about jacking piston board upwards to slide, and jacking piston board and bracing piece fixed connection, when jacking piston board upwards slides, will promote the bracing piece rebound, thereby realize the fine adjustment to the bracing piece.

Compare in prior art after carrying out the fine tuning, because threaded connection's screw rod and screw thread seat in use appear becoming flexible easily, lead to the high of support frame to change probably for the supporting effect variation of support frame, thereby lead to pouring the face shaping quality relatively poor. In the scheme, due to the combined action of the inflow check valve and the discharge check valve and the stop valve, compressed media can only flow circularly along the sequence of the first piston cavity, the second piston cavity, the third piston cavity and the first piston cavity, and due to the action of the discharge check valve and the stop valve, the compressed media in the third piston cavity can not flow away on the premise of not opening the stop valve, so that the position of the jacking piston plate is fixed, the position of the supporting rod with the adjusted height is locked, the height of the supporting frame is fixed after being adjusted, the supporting function of the supporting frame is stable, and the forming quality of a pouring surface is good.

Further, a rod body is arranged on the base and hinged to a pressure rod of the base, one end of the pressure rod is rotatably connected with a connecting rod, and the connecting rod is fixedly connected with the push-pull piston plate.

Because the support of base for the depression bar forms the lever, and when constructor rotated the lever, the accessible connecting rod pushed and pulled with push-and-pull piston board, thereby realized the accurate adjustment to the bracing piece height, because the depression bar forms the lever, make constructor can use less power to promote push-and-pull piston board by hand, it is very convenient, laborsaving to operate.

Further, the slide bar is fixedly connected to the bottom end of the base, and the slide bar and the support bar are coaxially arranged.

Compare in slide bar and bracing piece not on same vertical line, when the bracing piece supported, the power that the bracing piece acted on the base and the base received the slide bar was not on same vertical line, and the base can receive the shearing force, leads to the base probably to overturn and shakiness. In this scheme, the slide bar sets up with the bracing piece is coaxial for the base receives the power of slide bar and bracing piece to be located same vertical on-line, and the base atress is stable, and difficult emergence upset makes whole support frame more stable.

Further, the compression medium is hydraulic oil.

Compare in regard to water as the compression medium, although the cost is lower, regard hydraulic oil as the compression medium, hydraulic oil itself has the lubrication action, and hydraulic oil has anticorrosive, rust-resistant effect simultaneously, can protect piston plate and piston cylinder in the use, is favorable to promoting the life of support frame.

Furthermore, a sliding groove is formed in the sliding rod, and a sliding plate which can be in sliding connection with the sliding groove is fixedly connected in the loop bar.

Compare and be the polished rod in the slide bar, the slide bar takes place easily when sliding in the loop bar and rotates, in this scheme, it has the spout to open on the slide bar, simultaneously in the loop bar fixedly connected with can with spout sliding connection's slide, when the position of adjustment slide bar and loop bar, slide bar and loop bar are difficult for taking place relative rotation for the locking lever can insert through-hole and guide hole easily, promotes the installation effectiveness of support frame.

Further, the through-hole is the bar hole, and through-hole upside width is greater than the downside width, and the equal fixedly connected with diameter in locking lever both ends is greater than the dog of locking lever diameter, and locking lever diameter equals through-hole downside width.

Compared with the locking rod which is a polished rod, after the locking rod is inserted into the through hole rod, the locking rod is easy to slide out of the through hole because the locking rod is the polished rod, so that the sliding rod and the loop bar cannot be fixed, and the supporting frame loses the supporting function. In this scheme, the equal fixedly connected with diameter in both ends of locking lever is greater than the dog of locking lever diameter, correspondingly, set up the upside width of through-hole into being greater than the downside width, and locking lever diameter equals through-hole downside width, when slide bar and loop bar are fixed to needs, pass the upside of through-hole and pass the guide hole with the dog earlier, then put into the downside of through-hole with the locking lever, because the action of gravity, the locking lever can fall on the downside of through-hole always, and under the effect of dog, the locking lever can't directly transversely take out, it is fixed with slide bar and loop bar to make the locking lever can stabilize.

Further, a handle is arranged on the outer side of the stop block.

The handle is arranged on the outer side of the stop block, so that the lock rod is convenient to mount and take.

Furthermore, the bottom end of the loop bar is fixedly connected with a support, and the top end of the supporting bar is provided with a top plate.

Compare in the bottom of loop bar and the top of bracing piece all not set up any and block the piece for the loop bar is used in ground, and perhaps the bracing piece is used in a supporting beam, the local stress on the template is great, makes to correspond the contact surface fragile. In this scheme, at the bottom fixedly connected with support of loop bar, be equipped with the roof on the top of bracing piece, utilize support and roof to carry out the partial pressure to the protection corresponds the contact surface.

Furthermore, reinforcing ribs are arranged between the loop bar and the support and between the supporting bar and the top plate.

All be equipped with the strengthening rib between loop bar and the support, between bracing piece and the roof, promote between loop bar and the support to and the stability of being connected between bracing piece and the roof, make its correspond junction can bear stronger pressure and not damaged, be favorable to promoting the life of support frame.

Drawings

Fig. 1 is a longitudinal sectional view of a formwork support frame along a support rod according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of fig. 1 at B.

Fig. 4 is a schematic view of a through hole of a loop bar on a formwork support frame according to an embodiment of the present invention.

Fig. 5 is a schematic view illustrating the cooperation between the slide rod and the loop bar on the formwork support frame according to an embodiment of the present invention.

Fig. 6 is a longitudinal sectional view of a formwork support frame along a support rod according to a second embodiment of the present invention.

Fig. 7 is a partial enlarged view of fig. 5 at C.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the hydraulic lifting device comprises a supporting rod 1, a sliding rod 2, a sleeve rod 3, a base 4, a first piston cavity 5, a second piston cavity 6, a third piston cavity 7, hydraulic oil 8, a push-pull piston plate 9, a jacking piston plate 10, an inflow check valve 11, a discharge check valve 12, a stop valve 13, a pressure rod 14, a connecting rod 15, a guide hole 16, a through hole 17, a lock rod 18, a stop block 19, a handle 20, a sliding groove 21, a sliding plate 22, a top plate 23, a support 24 and a reinforcing rib 25.

Example one

First embodiment as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a formwork support frame includes a support rod 1, a self-locking fine adjustment mechanism, a slide rod 2 and a loop bar 3, which are sequentially arranged from top to bottom, wherein the support rod 1, the slide rod 2 and the loop bar 3 are vertically arranged.

As shown in fig. 1, the self-locking fine adjustment mechanism includes a base 4, and a first piston cavity 5, a second piston cavity 6, and a third piston cavity 7 which are communicated with each other and are provided with a compression medium inside are formed in the base 4, and in this embodiment, the compression medium is preferably hydraulic oil 8. Referring to fig. 2, the second piston chamber 6 and the third piston chamber 7 are arranged side by side, the first piston chamber 5 is located below the second piston chamber 6 and the third piston chamber 7, the second piston chamber 6 and the third piston chamber 7 are vertically arranged, a push-pull piston plate 9 is vertically slidably connected in the second piston chamber 6, a jacking piston plate 10 is vertically slidably connected in the third piston chamber 7, and the jacking piston plate 10 is fixedly connected with the bottom end of the support rod 1 through screws.

As shown in fig. 2, an inflow check valve 11 is arranged between the first piston chamber 5 and the second piston chamber 6, so that the hydraulic oil 8 can only flow from the first piston chamber 5 into the second piston chamber 6; a discharge check valve 12 is arranged between the second piston cavity 6 and the third piston cavity 7, so that the hydraulic oil 8 in the second piston cavity 6 can only flow to the third piston cavity 7; a stop valve 13 is arranged between the third piston cavity 7 and the first piston cavity 5, and when the stop valve 13 is opened, hydraulic oil 8 in the third piston cavity 7 can flow back into the first piston cavity 5. The upper side of the second piston cavity 6 is rotatably connected with a pressure lever 14, the rod body of the pressure lever 14 is hinged with the outer wall of the second piston cavity 6, so that the pressure lever 14 forms a lever mechanism, a connecting rod 15 is arranged between the push-pull piston plate 9 and the pressure lever 14, the bottom end of the connecting rod 15 is fixedly connected with the push-pull piston plate 9, the top end of the connecting rod 15 is hinged with the right end of the pressure lever 14, and when the pressure lever 14 is manually pushed and pulled up and down, the pressure lever 14 drives the push-pull piston plate 9 to vertically.

As shown in fig. 1, the sliding rod 2 is fixedly connected to the bottom of the base 4 through a screw, and the sliding rod 2 and the supporting frame are located on the same vertical line, the loop bar 3 is coaxially arranged with the sliding rod 2, the loop bar 3 is sleeved on the outer wall of the sliding rod 2, in combination with fig. 3, the sliding rod 2 is provided with four guide holes 16 which are transversely arranged and penetrate through the axis of the sliding rod 2, the loop bar 3 is provided with a through hole 17 which can be right aligned to the guide holes 16, a locking rod 18 is detachably linked in the through hole 17, after the locking rod 18 penetrates through the through hole 17 and the guide holes 16, the locking rod 18 fixes the relative positions of the sliding rod 2 and the loop bar 3, thereby realizing the.

Referring to fig. 3 and 4, in order to prevent the locking rod 18 from being unintentionally pulled out after being locked into the through hole 17 and the guide hole 16, the through hole 17 is a strip-shaped hole with a large upper diameter and a small lower diameter, stoppers 19 with a diameter larger than that of the locking rod 18 are integrally formed at two ends of the locking rod 18, a handle 20 is integrally formed at the outer side of the stopper 19, both the stopper 19 and the handle 20 can pass through the upper side of the through hole 17 and cannot pass through the lower side of the through hole 17, and the diameter of the lower side of the through hole 17 is equal to that of the locking rod; when the slide rod 2 and the loop bar 3 need to be fixed, the lock rod 18, the handle 20 and the stop block 19 penetrate through the upper side of the through hole 17 and the guide hole 16 from one side, then the lock rod 18 is placed into the lower side of the through hole 17, the loop bar 3 is located between the two stop blocks 19, the lock rod 18 can be always located on the lower side of the through hole 17 under the action of self gravity, the lock rod 18 cannot be transversely pulled out due to the blocking effect of the stop blocks 19, and the lock rod 18 is guaranteed to stably fix the slide rod 2 and the loop bar 3.

With reference to fig. 5, the outer wall of the sliding rod 2 is provided with a sliding groove 21 along the axial direction thereof, the inner wall of the loop bar 3 is welded with a sliding plate 22 which can be connected with the sliding groove 21 in a sliding manner, and the loop bar 3 can slide along the axial direction of the sliding groove 21 through the matching of the sliding plate 22 and the sliding groove 21, and in the sliding process, the sliding rod 2 and the loop bar 3 cannot rotate relatively, so that the through hole 17 and the guide hole 16 can be aligned to each other, and the locking rod 18 can be conveniently inserted into the guide hole 16 and the through.

As shown in fig. 1, the top of the supporting plate is fixedly connected with a top plate 23 through screws, a support 24 is welded at the bottom end of the loop bar 3, and reinforcing ribs 25 are welded between the supporting plate and the top plate 23 and between the loop bar and the support 24, so that the supporting frame can bear larger pressure without being damaged, and the stability of the supporting frame is enhanced.

The specific implementation process is as follows:

1. height is coarsely adjusted:

when the support frame is required to be used for supporting, firstly, the sliding rod 2 and the loop bar 3 are roughly adjusted according to the supporting height, and a proper guide hole 16 is selected to be opposite to the through hole 17, so that when the support frame is supported, the distance from the top surface of the top plate 23 to the support beam or the template is smaller; the locking bar 18 is then inserted into the through hole 17 and the guide hole 16 so that the loop bar 3 is positioned between the two stoppers 19, thereby fixing the loop bar 3 and the slide bar 2 to each other to achieve coarse adjustment of the height of the support frame.

2. Fine adjustment of height:

when the supporting plate is supported and the sliding rod 2 and the loop bar 3 are fixed, the supporting frame can be finely adjusted, and the operation steps are as follows, the pressing rod 14 is manually pushed and pulled up and down, so that the pressing rod 14 drives the push-pull piston plate 9 to slide up and down through the connecting rod 15. When the push-pull piston plate 9 slides upwards, negative pressure is generated in the second piston cavity 6, so that hydraulic oil 8 in the first piston cavity 5 is sucked into the second piston cavity 6; when the push-pull piston plate 9 slides downwards, the pressure in the second piston cavity 6 is increased, so that the hydraulic oil 8 in the second piston cavity 6 is pressed into the third piston cavity 7, the pressure in the third piston cavity 7 is increased, the jacking piston plate 10 is pushed to slide upwards, and finally the supporting rod 1 moves upwards. Constantly make a round trip push-and-pull depression bar 14, make hydraulic oil 8 constantly enter into the third piston board, after upwards promoting suitable position with bracing piece 1, stop push-and-pull depression bar 14, because stop valve 13's effect that ends, hydraulic oil 8 can keep always in third piston chamber 7 for the support distance locking of bracing piece 1 can not change, thereby makes the support frame outrigger.

3. Disassembling and assembling:

when pouring is completed and the mold can be disassembled, the stop valve 13 is opened, hydraulic oil 8 in the third piston cavity 7 flows back to the first piston cavity 5, the jacking piston plate 10 slides downwards due to the reduction of the hydraulic oil 8 in the third piston cavity 7, a gap appears between the top plate 23 and the supporting beam or the template, the supporting rod 1 and the like can be taken down, and then the whole supporting frame is stored for use for the next time.

Example two

The difference between the second embodiment and the first embodiment is that: as shown in fig. 6 and 7, the second piston chamber 6 is horizontally arranged, the push-pull piston plate 9 is horizontally slidably connected in the second piston chamber 6, the pressure lever 14 is vertically arranged, a lever body of the pressure lever 14 is hinged to the side wall of the upper side of the second piston chamber 6, the lower end of the pressure lever 14 is hinged to the left end of the connecting rod 15, and the right end of the connecting rod 15 is fixedly connected with the push-pull piston plate 9 through a screw.

When fine adjustment is needed, the upper side of the pressure lever 14 is pushed and pulled leftwards and rightwards, so that the second piston cavity 6 continuously sucks hydraulic oil 8 from the first piston cavity 5, and the hydraulic oil 8 is pressed into the third piston cavity 7, and the fine adjustment of the support rod 1 is realized. Because the pressing rod 14 is vertically arranged, the occupied space of the supporting frame is less, and the supporting position of the supporting rod 1 is not easily influenced by mistaken collision after the pressing rod 14 is vertically arranged.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures or features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a formwork support frame, includes the bracing piece, its characterized in that: the lower end of the supporting rod is provided with a self-locking type fine adjustment mechanism, a sliding rod is arranged below the self-locking type fine adjustment mechanism, and the outer side of the sliding rod is connected with a loop bar in a sliding manner; the sliding rod is provided with a plurality of guide holes penetrating through the axis of the sliding rod, and the guide holes are distributed along the axial direction of the sliding rod; the sleeve rod is provided with a through hole which can be opposite to the guide hole, and a lock rod is detachably connected in the through hole.

2. The formwork support bracket of claim 1, wherein: the self-locking fine adjustment mechanism comprises a base, wherein a first piston cavity, a second piston cavity and a third piston cavity which are communicated with each other and internally provided with a compressed medium are arranged in the base, and the third piston cavity is vertically arranged; an inflow check valve only enabling the compressed medium to flow to the second piston cavity is arranged between the first piston cavity and the second piston cavity, a discharge check valve only enabling the compressed medium to flow to the third piston cavity is arranged between the second piston cavity and the third piston cavity, and a stop valve is arranged between the first piston cavity and the third piston cavity; the second piston cavity is connected with a push-pull piston plate in a sliding mode, the third piston cavity is connected with a jacking piston plate in a sliding mode, and the jacking piston plate is fixedly connected with the supporting rod.

3. The formwork support bracket of claim 2, wherein: the base is provided with a pressure lever, a lever body of the pressure lever is hinged to the base, one end of the pressure lever is rotatably connected with a connecting rod, and the connecting rod is fixedly connected with the push-pull piston plate.

4. The formwork support bracket of claim 2, wherein: the slide bar is fixedly connected to the bottom end of the base, and the slide bar and the support bar are coaxially arranged.

5. The formwork support bracket of claim 4, wherein: the compression medium is hydraulic oil.

6. The formwork support bracket of claim 5, wherein: the sliding rod is provided with a sliding groove, and a sliding plate which can be in sliding connection with the sliding groove is fixedly connected in the loop bar.

7. The formwork support bracket of claim 6, wherein: the through-hole is the bar hole, and through-hole upside width is greater than the downside width, the equal fixedly connected with diameter in locking lever both ends is greater than the dog of locking lever diameter, locking lever diameter equals through-hole downside width.

8. The formwork support bracket of claim 7, wherein: and a handle is arranged on the outer side of the stop block.

9. The formwork support bracket of any one of claims 1-8, wherein: the bottom fixedly connected with support of loop bar, the top of bracing piece is equipped with the roof.

10. The formwork support bracket of claim 9, wherein: reinforcing ribs are arranged between the sleeve rod and the support and between the supporting rod and the top plate.