CN210766393U - Adjustable support jacking - Google Patents

Abstract

The utility model provides an adjustable support support, which comprises a support vertical rod, a first support piece, a second support piece, a fixing plate and a top support plate. The fixing plate is provided with a first through hole that penetrates up and down; The bottom end of the piece passes through the first through hole and is connected with the top end of the bracket vertical rod, and the top end of the first support piece is rotatably connected with the bottom of the top plate so that one end of the bottom end of the top plate is close to or away from the fixing plate; the first support A height adjustment part is arranged on the part, and the height adjustment part is used to adjust the height of the top plate; An angle adjustment part is arranged on the part, and the angle adjustment part is used to adjust the distance between the connection point of the second support part and the top support plate and the fixed plate. The top support of the bracket can adapt to various inclined surfaces during the mold support process. The symmetrical structure avoids the eccentric force. It is easy to install and disassemble, with stable performance and no hidden safety hazards.

Description

An adjustable support bracket

technical field

The utility model relates to the technical field of building construction appliances, in particular to a support jack with adjustable height and inclination angle.

Background technique

With the rapid development of the real estate construction industry and three-dimensional transportation construction in recent years, as an indispensable means and equipment in construction operations, the use of formwork tools has also increased rapidly. In the field of existing building construction formwork, the commonly used bracket types are: fastener type steel pipe support system, bowl buckle type steel pipe support system, portal frame steel pipe support system, disc buckle type steel pipe support system, ordinary independent steel support, etc. Most of the jacks used in these commonly used formwork support systems are ordinary jacks, and as shown in Figure 1, the common jacks are provided with a steel plate base under a hollow jack 24, and a screw rod is arranged on the upper part. 22. The screw rod 22 is provided with a lift adjustment nut 23 that can adjust the height of the jack. Since the top support plate 20 is directly welded on the screw rod and reinforced by the vertical support ribs 21, it can only support the steel pipe or square wood in the plane perpendicular to the screw rod 22, and its adjustable range is only limited. in the height direction of the screw 22 .

With the improvement of people's aesthetic level, there are more and more designs of various special-shaped structures, and the formwork support conditions that need to be met for the formwork support system also become more and more harsh. In the construction of the cast-in-place box girder of the bridge, the vertical and horizontal slope of the bridge is relatively large, and the formwork support should not only adapt to the change in height, but also adapt to the change of the vertical and horizontal slope along the bridge direction. Similarly, for special-shaped structures in bridge structures, formwork supports are also suitable for changes in height and inclined planes. The top plate of the commonly used formwork support system is directly welded on the screw rod and cannot directly support the inclined surface formwork, so it can only be adjusted by adjusting the gap between the vertical rod and the vertical rod. In this way, it is not only inconvenient to adjust, but also difficult to guarantee the accuracy, and it is easy to cause problems in that the force transmission of the jack is not good.

Utility model content

The purpose of the utility model is to provide an adjustable bracket jacking in view of the deficiencies in the existing support system that jacking cannot be applied to inclined surfaces.

In order to achieve the above purpose and other related purposes, the utility model provides an adjustable support support, which includes a support pole, a first support, a second support, a fixed plate and a support plate;

the fixing plate has a first through hole passing through the top surface and the bottom surface of the fixing plate;

The bottom end of the first support piece is connected with the top end of the bracket vertical rod through the first through hole, and the top end of the first support piece is rotatably connected with the bottom of the top plate so that the top One end of the bottom end of the support plate is close to or away from the fixing plate;

The first support is provided with a height adjustment part, and the height adjustment part is used to adjust the height of the top plate;

The bottom end of the second support is connected with the fixing plate, the top end of the second support is rotatably connected with the bottom of the top plate, an angle adjustment part is provided on the second support, and the The angle adjustment part is used for adjusting the distance between the connection point of the second support and the top plate and the fixing plate.

Further, the first support member is a main screw rod, the height adjustment member includes a thread on the main screw rod and a lifting main adjustment nut matched with the screw thread, and the bottom end of the main screw rod is connected to the main screw rod. The top ends of the support vertical rods are connected by threads, the main screw rods pass through the first through holes, and the lifting main adjusting nut is mounted on the main screw rods and located at the top of the support vertical rods.

Further, the height adjustment component is a jack, and the jack is arranged on the first support member and located between the fixing plate and the top support plate.

Further, the fixing plate is provided with a chute penetrating the bottom surface and the top surface of the fixing plate, the extension direction of the chute is parallel to the first direction, and the first direction is the first support and the The connection direction of the second support member, the bottom end of the second support member is located in the chute.

Further, the second support member is an auxiliary screw rod, the angle adjustment member includes a thread on the auxiliary screw rod and a lifting auxiliary adjustment nut matched with the screw thread, and the auxiliary screw rod passes through the auxiliary screw rod. A chute, the adjusting nut of the lifting pair is arranged on the auxiliary screw rod and is located above the fixing plate.

Further, the angle adjustment component is a jack, the jack is arranged on the auxiliary screw rod and located between the fixing plate and the top support plate, and the bottom end of the auxiliary screw rod and the chute are detachable connect.

Further, the number of the sliding grooves is an even number, and the installation positions are symmetrical with respect to the axis of the circular hole on the fixing plate.

Further, the number of the second support members is the same as the number of the sliding grooves, and they are connected in a one-to-one correspondence.

Further, the bottom surface of the fixing plate is fixedly connected with the top end of the support vertical rod.

Further, the stand pole, the first support member, the second support member, the fixing plate and the top support plate are made of rigid materials.

To sum up, in the adjustable bracket jack provided by the present invention, a height adjustment member is arranged on the first support member to adjust the height of the jack; an angle adjustment member is arranged on the second support member to use To adjust the tilt angle of the top bracket. At the same time, the second support member and the fixing plate are connected through a chute, and the first support member and the second support member are rotatably connected to the top support plate respectively, which is convenient for personnel to adjust the height of the top support The structure of the bracket with adjustable height and angle is more stable, and it is suitable for various inclined surfaces. Moreover, the symmetrical installation of the second supporting member avoids the situation of eccentric force and makes the structure more stable.

Description of drawings

Fig. 1 is the structure diagram of the support jacking in the prior art;

2 is a structural diagram of the adjustable support jack of the first embodiment;

Figure 3 is a schematic structural diagram of the main lifting adjustment nut in the adjustable support jack shown in Figure 2 (the lifting auxiliary adjustment nut is similar to the main lifting adjustment nut, and the accompanying drawings are not shown);

Fig. 4 is the structural schematic diagram of the fixed plate in the adjustable support bracket shown in Fig. 2;

Figure 5 is a schematic diagram of the connection between the main hinge support and the main connecting plate in the adjustable bracket top support shown in Figure 2 (the connection between the auxiliary hinge support and the auxiliary connecting plate is similar to the connection between the main hinge support and the main connecting plate, and the drawings are not shown. exhibit);

6 is a structural diagram of the adjustable support jack of the second embodiment;

FIG. 7 is a structural view of the angle adjustment component of the auxiliary screw rod in the adjustable bracket jacking shown in FIG. 6 (the angle adjustment component is a jack structure);

FIG. 8 is a schematic structural diagram of the adjustable support jack of the third embodiment;

In Figure 1, 20- top plate, 21- vertical support rib, 22- screw rod, 23- lift adjusting nut, 24- hollow top rod;

In Figure 2-8, 01-upright rod, 02-first support member, 03-lifting main adjusting nut, 04-fixing plate, 05-first through hole, 06-chute, 07-second support member, 08 -Lifting pair adjusting nut, 09-Main hinge support, 10-Auxiliary hinge support, 11-Main connecting plate, 12-Auxiliary connecting plate, 13-Top support plate, 14-Jack, 15-Telescopic bolt, 16-Fixing nut.

Detailed ways

As mentioned above, the jacking bracket in the existing support system cannot be applied to the inclined surface. In order to solve this problem, the utility model provides a support bracket with adjustable inclination angle and height, which is used for the support of special-shaped structures in construction.

The adjustable support jack of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention.

Example 1

Referring to FIG. 2 , a structural diagram of the adjustable support jack provided in this embodiment. The adjustable support support in this embodiment includes a support rod 01, a first support 02, a second support 07, a fixed plate 04 and a support plate 13,

The fixing plate 04 has a first through hole 05 that passes through the top surface and the bottom surface of the fixing plate, and its specific structure is shown in FIG. 4 ;

The bottom end of the first support member 02 is connected to the top end of the stand pole 01 through the first through hole 05 , and the top end of the first support member 02 is rotatably connected to the bottom of the top support plate 13 So that one end of the bottom end of the top plate 13 is close to or away from the fixed plate 04, so that the top plate 13 can rotate up and down in a vertical plane, and its structure is similar to a seesaw;

The first support 02 is provided with a height adjustment component, wherein the first support 02 is the main screw rod, the height adjustment component is used to adjust the height of the top plate, and the height adjustment component includes all the The thread on the first support member 02 and the main lifting adjustment nut 03 matched with the thread, the bottom end of the first support member 02 is connected with the top end of the bracket pole The supporting member 02 passes through the first through hole 05, and the main lifting adjustment nut 03 is installed on the first supporting member 02 and is located at the top of the support rod 01;

The bottom end of the second support member 07 is connected to the fixing plate 04 , the top end of the second support member 07 is rotatably connected to the bottom of the top plate 13 , and an angle is set on the second support member 07 Adjustment part, the angle adjustment part is used to adjust the distance between the connection point of the second support and the top plate and the fixed plate, wherein the second support 07 is a secondary screw, the angle The adjustment part is used to adjust the distance between the connection point of the second support 07 and the top plate 13 and the fixing plate 04 , and the angle adjustment part is composed of the thread on the second support 07 and the It is composed of a lifting pair adjusting nut 08 matching its thread. The fixing plate 04 is provided with a chute 06 penetrating the bottom surface and the top surface of the fixing plate 04 . The extending direction of the chute 06 is parallel to the first direction, and the first direction is the first support member 02 In the direction of connection with the second support 07 , the bottom end of the second support 07 is located in the chute 06 , and the lifting pair adjusting nut 08 is arranged in the second support 07 and is located above the fixing plate 04 , used to connect the second support 07 and the fixing plate 04 , and also used to adjust the height of the second support 07 .

In addition, as shown in FIG. 3 , it is a structural diagram of the main lifting adjustment nut 03 and the lifting auxiliary adjustment nut 08 , both of which have the same structure.

At the same time, the rotational connection between the top ends of the first support member 02 and the second support member 07 and the bottom of the top support plate 13 is connected through a hinge support. The top of the first support 02 is fixedly welded to the lower part of the main hinge support 09, and the upper part of the main hinge support 09 is welded to the bottom of the top plate 13 through the main connecting plate 11; similarly, the top of the second support 07 is fixedly welded to the auxiliary The lower part of the hinge support 10 and the upper part of the auxiliary hinge support 10 are welded with the bottom of the top support plate 13 through the auxiliary connecting plate 12 .

Preferably, there are two second supports 07 in this embodiment, and they are arranged symmetrically on both sides of the first support 02. Of course, the chute 06 and the auxiliary hinge installed corresponding to the second support Both the support 10 and the auxiliary connecting plate 12 are two, and are symmetrical with respect to the first support member 02 . Further, there may be multiple second support members, the number of which is preferably an even number, and are symmetrically installed on both sides of the first support member 02, so as to avoid eccentric force and make the support jacking structure more stable.

The structures of the main hinge support 09 and the auxiliary hinge support 10 are shown in FIG. 5 , and the two have the same structure.

The first support, the second support, the main lifting adjustment nut, the auxiliary lifting adjustment nut, the main hinge support, the auxiliary hinge support, the top support plate and the fixing plate can be made of rigid materials such as stainless steel. The detailed structure of the main hinge support and the auxiliary hinge support is not introduced in this manual. The lifting main adjusting nut and the lifting auxiliary adjusting nut are similar to the adjusting nut in the bracket type commonly used in the prior art, and the detailed structure is not introduced in this specification.

The specific use method of the adjustable bracket jacking in this embodiment is as follows: when in use, firstly connect the first support, the second support, the main lifting adjustment nut, the auxiliary lifting adjustment nut, the main hinge support, the auxiliary hinge support, The main connecting plate, the auxiliary connecting plate and the top support plate are connected together as shown in Figure 2. After the vertical pole and the top support on the upper part are erected, the top support plate is adjusted by the lifting auxiliary adjusting nuts on the two second supports. The inclination angle of the bracket is adjusted to be the same as the inclination angle of the square wood or steel pipe at the lower part of the inclined surface of the formwork to be supported. With the adjustment of the angle of the top plate, the second support moves in the chute at the same time. Then, through the lifting main adjusting nut on the first support member, the fixed plate and its upper second support member, top support plate and other structures are jacked up to the height of the square wood or steel pipe below the inclined surface of the formwork to be supported, and finally the formwork is supported. . When the upper structure of the formwork meets the requirements and can be demolded, adjust the height of the fixed plate and its upper structure to lower it through the lifting main adjusting nut on the first support member, and then remove the formwork, and the whole process of supporting the formwork is over.

In the utility model, the first support member and the second support member can be changed to jacks or telescopic rods similar to jacks, and the main hinge support and the auxiliary hinge support can be changed to spherical hinge supports. Modifications and changes, increasing or decreasing the number of the first support member and/or the second support member, etc., all belong to the protection scope of the present invention.

Embodiment 2

Referring to FIG. 6 , a structural diagram of the adjustable support jack provided in this embodiment. The difference from the above embodiment is that in this embodiment, the angle adjustment component on the second support member 07 is the jack 14 . The bottom end of the second support member 07 is provided with threads, and the second support member 07 is connected with the fixing plate 04 through the fixing nut 16 . The jack 14 is arranged on the second support 07 and is located between the fixing plate 04 and the auxiliary hinge support 10 . As shown in FIG. 7 , a structural diagram of the jack in the adjustable support jack provided in this embodiment. The jack 14 is formed of four identical brackets that are connected by rotation between two pairs, wherein two opposite connection points pass through a telescopic bolt 15, and the other two connection points are respectively fixed and welded on the lower part of the auxiliary hinge support 10 and The second support 07 contains the lower half of the thread. When the telescopic bolt 15 is rotated, the distance between the connection points through which the telescopic bolt 15 passes can be changed, thereby changing the height of the second support.

Preferably, there are two second support members 07 with the same shape and size, and are symmetrically installed on both sides of the first support member 02, so that the structure is stable and the force is uniform.

Meanwhile, in the present invention, the height adjustment component in the first support member 02 may also be a jack or a structure similar to the jack. Of course, the structure of the height adjustment member in the first support member 02 and the angle adjustment member in the second support member 07 may also be a structure such as a telescopic rod.

Embodiment 3

As shown in FIG. 8 , it is a structural diagram of the support of the present embodiment. The difference from the above-mentioned embodiment is that the bracket jack of this embodiment welds the bottom surface of the fixing plate 04 and the top end of the bracket vertical rod 01 together, and the main lifting adjustment nut 03 is installed on the first support member 02, and is located in the fixed position. Above board 04. Of course, the connection method between the fixing plate 04 and the stand pole 01 may be welding, riveting, threading, bundling, etc., and the present invention does not limit the specific connection method.

At the same time, those skilled in the art can understand that, because the fixed plate 04 is fixedly connected with the stand pole 01 and cannot move, and the height of the second support 07 is limited, the adjustable height range of the stand jack of this embodiment is reduced.

To sum up, in the adjustable bracket jack provided by the present invention, the bottom end of the first support member is connected to the top end of the bracket vertical rod, and the first support member penetrates through the fixing plate and is arranged on the fixing plate. The top end of the first support is rotatably connected to the bottom of the top plate; the first support is provided with a height adjustment part, and the height of the top is adjusted by the height adjustment part; A chute is provided on the fixing plate, the top end of the second support is rotatably connected with the bottom of the top plate, the bottom end of the second support is detachably connected with the chute, and the second support is detachably connected to the chute. An angle adjustment part is arranged on the support, and the angle adjustment part is used for adjusting the distance between the connection point of the second support and the top plate and the fixing plate. The adjustable support support can be adapted to various inclined surfaces in the process of supporting the mold, and the symmetrically arranged structure avoids the eccentric force, and is easy to assemble and disassemble, with stable performance and no safety hazard.

The above description is only a description of the preferred embodiments of the present invention, and does not limit the scope of the present invention. Any changes and modifications made by those of ordinary skill in the field of the present invention according to the above disclosure belong to the protection scope of the claims. .

Claims (10)

1. An adjustable support support, characterized in that it comprises a support rod, a first support, a second support, a fixed plate and a support plate; the fixing plate has a first through hole passing through the top surface and the bottom surface of the fixing plate; The bottom end of the first support piece is connected with the top end of the bracket vertical rod through the first through hole, and the top end of the first support piece is rotatably connected with the bottom of the top plate so that the top One end of the bottom end of the support plate is close to or away from the fixing plate; The first support is provided with a height adjustment part, and the height adjustment part is used to adjust the height of the top plate; The bottom end of the second support is connected with the fixing plate, the top end of the second support is rotatably connected with the bottom of the top plate, an angle adjustment part is provided on the second support, and the The angle adjustment part is used for adjusting the distance between the connection point of the second support and the top plate and the fixing plate. 2 . The adjustable support jack according to claim 1 , wherein the first support member is a main screw rod, and the height adjustment member comprises a thread on the main screw rod and a thread corresponding to the thread. 3 . The matching main lifting adjustment nut, the bottom end of the main screw rod is connected with the top end of the support vertical rod through threads, the main screw rod passes through the first through hole, and the main lifting main adjustment nut is installed on the on the main screw rod and at the top end of the support rod. 3 . The adjustable bracket jacking according to claim 1 , wherein the height adjusting component is a jack, and the jack is arranged on the first support member and located between the fixing plate and the jacking plate. 4 . between. 4 . The adjustable support support according to claim 1 , wherein the fixing plate is provided with a chute penetrating the bottom surface and the top surface of the fixing plate, and the extension direction of the chute is parallel to the first 4. 5 . The first direction is the connecting line direction of the first support member and the second support member, and the bottom end of the second support member is located in the chute. 5 . The adjustable bracket jacking according to claim 4 , wherein the second support member is a secondary screw rod, and the angle adjustment member comprises a thread on the secondary screw rod and a thread corresponding to the thread. 6 . The matching lifting pair adjusting nut, the auxiliary screw rod passes through the chute, and the lifting pair adjusting nut is arranged on the auxiliary screw rod and is located above the fixing plate. 6 . The adjustable bracket jacking according to claim 4 , wherein the angle adjusting component is a jack, and the jack is arranged on the auxiliary screw rod and is located between the fixing plate and the jacking plate. 7 . , the bottom end of the auxiliary screw rod is detachably connected with the chute. 7 . The adjustable support jack of claim 4 , wherein the number of the sliding grooves is an even number, and the installation positions are symmetrical with respect to the axis of the circular hole on the fixing plate. 8 . 8 . The adjustable support jack of claim 7 , wherein the number of the second support members is the same as the number of the sliding grooves, and they are connected in one-to-one correspondence. 9 . 9 . The adjustable support support according to claim 1 , wherein the bottom surface of the fixing plate is fixedly connected with the top end of the support vertical rod. 10 . 10. The adjustable support jack according to any one of claims 1-9, wherein the support vertical rod, the first support member, the second support member, the fixing plate and the The top plate is made of rigid material.

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