CN209890160U - Door type reaction frame capable of adjusting loading height - Google Patents

Abstract

The utility model relates to a door type reaction frame capable of adjusting loading height, which comprises a base, a left upright post, a right upright post, a cross beam and an adjusting mechanism, wherein the adjusting mechanism comprises a first adjusting mechanism, second adjustment mechanism, three-way valve and hydraulic pump, first adjustment mechanism include first jack, first guide block and the first rope body, the one end of the first rope body with the one end of crossbeam is connected, and the other end of the first rope body is connected on the left side stand, and second adjustment mechanism includes the second jack, second guide block and the second rope body, and the one end of the second rope body is connected with the one end of crossbeam, and the other end of the second rope body is connected on the right stand, and first jack is connected with the first opening of three-way valve through first oil pipe, and the second jack passes through the second oil pipe to be connected with the second opening of three-way valve, and the third opening of three-way valve passes through the delivery end of third oil pipe and hydraulic pump to be connected. The utility model discloses the crossbeam that can guarantee the reaction frame rises in step and application range is wider.

Description

A portal reaction force frame with adjustable loading height

technical field

The utility model relates to a portal reaction force frame with adjustable loading height, belonging to the field of experimental devices.

Background technique

As an important test device for structural testing in civil engineering scientific research, the reaction load frame with a fixed loading height cannot meet the test requirements of various sizes of components. It is very inconvenient to adjust the height of the loading frame in the scientific research site without lifting equipment. The existing reaction force frame with adjustable loading height is pulled by means of screw lift + screw, fixed pulley + wire rope + hoist, etc. The lifting of the beam realizes the adjustment of the loading height. For example, the authorized announcement number CN 204588602 U, titled "A reaction force loading rack with automatic adjustment of loading height", discloses a reaction force loading rack with automatic adjustment of loading height, including a reaction force loading rack with automatic adjustment of loading height. The bolts for the fixing part of the force frame also include a height-adjustable beam, which is fixedly connected with the fixing part of the reaction frame through a movable connection structure. The two ends of the height-adjustable beam are respectively provided with a motor-worm gear-lifting screw structure.

None of the above methods can ensure that both ends of the beam are lifted synchronously, and it is easy to tilt the beam to one side, causing the beam to be stuck in the column. There is a large upper space, and the adjustment range of the loading height is limited. Therefore, it is necessary to design a reaction force frame with adjustable loading height to solve the above problems.

In view of this, the inventor of this case has conducted in-depth research on the above-mentioned problems, and this case came into being.

Utility model content

The purpose of the utility model is to provide a portal reaction force frame with adjustable loading height that can ensure the synchronous rise of the beam and has a wider range of use.

In order to achieve the above purpose, the utility model adopts such technical scheme:

A portal reaction force frame with adjustable loading height, comprising a base, a left column set on the base, a right column set on the base, a beam set between the left column and the right column, and a beam for adjusting the height of the beam. Adjustment mechanism, the left column is provided with a plurality of left bolt holes, the plurality of left bolt holes are arranged along the height direction of the left column, the right column is provided with a plurality of right bolt holes, and the plurality of right bolt holes are arranged along the height direction of the right column , the two ends of the beam are respectively installed on the left column and the right column through the left bolt and the right bolt. The adjustment mechanism includes a first adjustment mechanism, a second adjustment mechanism, a three-way valve and a hydraulic pump. The first adjustment mechanism includes the installation The first jack on the top of the left column, the first guide block arranged on the movable end of the first jack, and the first rope body wound on the first guide block, one end of the first rope body is connected with One end of the beam is connected, the other end of the first rope body is connected to the left column, and the second adjustment mechanism includes a second jack installed on the top of the right column, a A second guide block at the movable end and a second rope body wound on the second guide block, one end of the second rope body is connected to one end of the beam, and the other end of the second rope body is connected to the right column, The first jack is connected to the first opening of the three-way valve through the first oil pipe, the second jack is connected to the second opening of the three-way valve through the second oil pipe, and the third opening of the three-way valve is connected to the third opening of the three-way valve. The three oil pipes are connected with the delivery end of the hydraulic pump.

As a preferred mode of the present invention, the cross-sections of the left and right uprights are both "H"-shaped, and both the left and right uprights include a web and wings forming both sides of the web plate.

As a preferred mode of the present invention, the side of the left column close to the beam is the inner side, and the opposite side is the outer side, and a first rib plate fixed on the outer side of the left column is also included, so The first rope body is fixed on the first rib by a first anchor.

As a preferred mode of the present invention, the side of the right column close to the cross beam is the inner side, and the opposite side is the outer side, and a second rib plate fixed on the outer side of the right column is also included. The second rope body is fixed on the second rib by a second anchor.

As a preferred mode of the present invention, the top of the left column is provided with a first sealing plate, the first jack is fixed on the first sealing plate, and the top of the right column is provided with a second sealing plate , the second jack is fixed on the second sealing plate.

As a preferred mode of the present invention, the first guide block and the second guide block are both semi-cylindrical steel blocks, and the semi-cylindrical steel blocks are provided with rope grooves for guiding the rope body.

As a preferred mode of the present utility model, the cross beam includes an upper wing plate, a lower wing plate and a connecting plate arranged between the upper wing plate and the lower wing plate, the upper wing plate and the lower wing plate are arranged in parallel, and the upper wing plate and the lower wing plate are arranged in parallel. A plurality of reinforcing ribs are also arranged between the plate and the lower wing plate.

As a preferred mode of the present invention, the upper wing plate is respectively provided with a first "Ji"-shaped steel plate and a second "Ji"-shaped steel plate corresponding to the left column and the right column. A rope body is fixed on the first "Ji"-shaped steel plate through a third anchor, and the second rope body is fixed on the second "Ji"-shaped steel plate through a fourth anchor.

As a preferred mode of the present invention, the first sealing plate is provided with a first bottom plate, the first jack is fixed on the first bottom plate, and the first bottom plate is also provided with a first bottom plate sleeved on the first bottom plate. The first sleeve outside the jack is provided with a first notch for the first oil pipe to pass through.

As a preferred mode of the present invention, the second sealing plate is provided with a second bottom plate, the second jack is fixed on the second bottom plate, and the second bottom plate is also provided with a second bottom plate sleeved on the second bottom plate. The second sleeve outside the two jacks is provided with a second gap for the second oil pipe to pass through.

Compared with the existing technology, the utility model has the following beneficial effects:

1. The utility model utilizes the lifting action of the hydraulic jack, and cooperates with the rope body to pull the beam up and down. It can realize that the loading height of the reaction force frame can be adjusted according to the size of the test piece without the need for electrical equipment, and the adjustment range of the loading height is not limited by the test site. The scope of use of the force frame.

2. The utility model uses a three-way valve to connect the hydraulic jack oil pipe and the hydraulic pump, and cooperates with the hydraulic pump to pressurize to drive the jack to lift, so as to use the wire rope to pull the two ends of the beam to lift synchronously, so as to avoid the asynchronous lifting of the beam and the occurrence of the beam moving in one direction. The situation that the side is inclined and stuck in the column improves the safety of the height adjustment process of the beam.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is an enlarged view of the relevant structure at the top of the left column in the utility model;

In the picture:

10-left column 11-first sealing plate

12-left bolt hole 13-left bolt

20-Right column 21-Second sealing plate

22-right bolt hole 23-right bolt

30-base 40-beam

41-upper wing plate 42-lower wing plate

43-Connecting plate 44-Reinforcing rib

51-First rope body 52-First jack

53-first base plate 54-first sleeve

55-First guide block 56-First notch

57-First rib 58-First anchor

59-rope groove

61-Second rope body 62-Second jack

63-Second base plate 64-Second sleeve

65-Second guide block 66-Second gap

67-The second "ji" shaped steel plate 68-The fourth anchorage

70-First tubing 71-First rope

80-Second tubing 81-Second rope

90-Hydraulic pump 91-Three-way valve

92-Third tubing 101-Web

102 - Wings.

Detailed ways

In order to further explain the technical solutions of the present utility model, the following detailed descriptions are given in conjunction with the embodiments.

1 to 2, a portal reaction force frame with adjustable loading height includes a base 30, a left column 10 arranged on the base 30, a right column 20 arranged on the base 30, and a left column 10 and The cross beam 40 between the right uprights 20 and the adjusting mechanism for adjusting the height of the cross beam 40 are fixedly connected to the base 30 through an anchor rod through the ground groove. The left column 10 is provided with a plurality of left bolt holes 12, and the plurality of left bolt holes 12 are arranged along the height direction of the left column 10. The right column 20 is provided with a plurality of right bolt holes 22, and the plurality of right bolt holes 22 are arranged along the right column. 20 is arranged in the height direction, the two ends of the beam 40 are detachably installed on the left column 10 and the right column 20 through the left bolt 13 and the right bolt 23 respectively, and the left bolt 13 and the right bolt 23 are respectively penetrated in the left bolt hole 12 and right bolt hole 22.

In the present invention, the adjustment mechanism includes a first adjustment mechanism, a second adjustment mechanism, a three-way valve 91 and a hydraulic pump 90 , and the first adjustment mechanism includes a first jack 52 installed on the top of the left column 10 . , a first guide block 55 arranged on the movable end of the first jack 52 (specifically on the piston), and a first rope body 51 wound around the first guide block 55, one end of the first rope body 51 is connected to the One end of the beam 40 is connected, the other end of the first rope body 51 is connected to the left column 10, and the second adjustment mechanism includes a second jack 62 installed on the top of the right column 20, The second guide block 65 at the movable end of the jack 62 and the second rope body 61 wound around the second guide block 65. One end of the second rope body 61 is connected to one end of the beam 40, and the second rope body 61 The other end is connected to the right column 20, the first jack 52 is connected to the first opening of the three-way valve 91 through the first oil pipe 70, and the second jack 62 is connected to the three-way valve through the second oil pipe 80. The second opening of 91 is connected, and the third opening of the three-way valve 91 is connected to the delivery end of the hydraulic pump 90 through the third oil pipe 92. The hydraulic pump 90 is specifically a jack hydraulic pump, the first jack 52 and the second jack The jacks 62 are all arranged in the vertical direction. In the present invention, the first oil pipe 70 can be fastened to the left column 10 through the first rope 71 , and the second oil pipe 80 can be fastened to the right column 20 through the second rope 81 .

As a preferred mode of the present invention, the cross-sections of the left upright 10 and the right upright 20 are both "H" shaped, and the left upright 10 and the right upright 20 both include a web 101 and form a web Wings 102 on both sides of the board 101 .

As a preferred mode of the present invention, the side of the left column 10 close to the beam 40 is the inner side, and the opposite side is the outer side, and a first rib fixed on the outer side of the left column 10 is also included. The plate 57, the first rib 57 is arranged between the two general 102, the first rope body 51 is limited and fixed on the first rib 57 by the first anchor 58, and the first rib 57 is welded by welding. The rib 57 is fixed on the left upright column 10 .

As a preferred mode of the present invention, the side of the right column 20 close to the beam 40 is the inner side, and the opposite side is the outer side, and a second rib fixed on the outer side of the right column 20 is also included. The second rope body 61 is limited and fixed on the second rib by the second anchor.

As a preferred mode of the present invention, the top of the left column 10 is provided with a first sealing plate 11 , the first jack 52 is fixed on the first sealing plate 11 , and the top of the right column 20 is provided with a first sealing plate 11 . There is a second sealing plate 21 , and the second jack 62 is fixed on the second sealing plate 21 . The first sealing plate 11 is provided with a through hole for the first rope body 51 to pass through, and the second sealing plate 21 is provided with a through hole for the second rope body 61 to pass through.

As a preferred mode of the present invention, the first guide block 55 and the second guide block 65 are both semi-cylindrical steel blocks, and the semi-cylindrical steel blocks are provided with rope grooves 59 for guiding the rope body. The semi-cylindrical steel block is also provided with a cylindrical groove that is butted with the jack.

As a preferred mode of the present invention, the beam 40 includes an upper wing plate 41, a lower wing plate 42, and a connecting plate 43 arranged between the upper wing plate 41 and the lower wing plate 42. The upper wing plate 41 and the lower wing plate 43 The plates 42 are arranged in parallel, and a plurality of reinforcing ribs 44 are also arranged between the upper wing plate 41 and the lower wing plate 42 , and the reinforcing ribs 44 are arranged in the vertical direction.

As a preferred mode of the present invention, the upper wing plate 41 is provided with a first "Ji"-shaped steel plate and a second "Ji"-shaped steel plate 67 corresponding to the left column 10 and the right column 20, respectively. , the first rope body 51 is fixed on the first "ji"-shaped steel plate through the third anchor, and the second rope body 61 is fixed on the second "ji"-shaped steel plate 67 through the fourth anchor 68 .

As a preferred mode of the present invention, the first sealing plate 11 is provided with a first bottom plate 53 , the first jack 52 is fixed on the first bottom plate 53 , and the first bottom plate 53 is further provided with a sleeve The first sleeve 54 disposed outside the first jack 52 is provided with a first gap 56 through which the first oil pipe 70 passes.

As a preferred mode of the present invention, the second sealing plate 21 is provided with a second bottom plate 63 , the second jack 62 is fixed on the second bottom plate 63 , and the second bottom plate 63 is further provided with a sleeve The second sleeve 64 disposed outside the second jack 62 is provided with a second gap 66 through which the second oil pipe 80 passes.

In the present invention, except for the beam 40, the three-way valve 91 and the hydraulic pump 90, they are all arranged symmetrically on the left and right.

The working principle of the present utility model is as follows: when the cross beam 40 of the reaction force frame needs to be adjusted, first one end of the first oil pipe 70 and one end of the second oil pipe 80 are respectively docked with the first jack 52 and the second jack 62, The other end of the first oil pipe 70 and the other end of the second oil pipe 80 are connected to the hydraulic pump 90 through the three-way valve 91, and then the first rope body 51 is fixed on the first rib 57 through the first anchor 58, and the second rope The body 61 is fixed on the second rib by the second anchor, the left bolt 13 and the right bolt 23 are loosened, and the hydraulic pump 90 presses oil to the first jack 52 and the second jack 62, so that the cross beam 40 is lifted. Move to the left bolt 13 and the right bolt 23 can be taken out, keep the oil pressure, and remove the left bolt 13 and the right bolt 23, and then continue to increase the oil pressure, the pistons of the first jack 52 and the second jack 62 are upward Lifting, with the first guide block 55 and the second guide block 65 moving upward, and then driving the first rope body 51 and the second rope body 61 to lift, and the first rope body 51 is connected to the immovable first rib 57 on one side. The other side is connected with the movable beam 40, and the second rope body 61 is connected with the immovable second rib on one side, and the other side is connected with the movable beam 40. When the first jack 52 and When the second jack 62 reaches the maximum range, the beam 40 can be temporarily fixed nearby, the first jack 52 and the second jack 62 can return oil, and the positions of the first anchor 58 and the second anchor can be readjusted. For the positions of the first rope body 51 and the second rope body 61, repeat the above steps until the beam 40 is adjusted to the position required for the test.

The product form of the present invention is not limited to the examples in this case, and anyone who makes appropriate changes or modifications of similar ideas should be regarded as not departing from the scope of the patent of the present invention.

Claims (10)

1. The utility model provides a gate-type reaction frame of adjustable loading height, the on-line screen storage device comprises a base, the left stand of setting on the base, the right stand of setting on the base, the crossbeam of setting between left stand and right stand and be used for adjusting the adjustment mechanism of crossbeam height, be equipped with a plurality of left bolt holes on the left stand, a plurality of left bolt holes are laid along the direction of height of left stand, be equipped with a plurality of right bolt holes on the right stand, a plurality of right bolt holes are laid along the direction of height of right stand, install on left stand and right stand through left bolt and right bolt respectively at the both ends of crossbeam, its characterized in that: the adjusting mechanism comprises a first adjusting mechanism, a second adjusting mechanism, a three-way valve and a hydraulic pump, the first adjusting mechanism comprises a first jack arranged at the top of the left upright post, a first guide block arranged at the movable end of the first jack and a first rope body wound on the first guide block, one end of the first rope body is connected with one end of the cross beam, the other end of the first rope body is connected on the left upright post, the second adjusting mechanism comprises a second jack arranged at the top of the right upright post, a second guide block arranged at the movable end of the second jack and a second rope body wound on the second guide block, one end of the second rope body is connected with one end of the cross beam, the other end of the second rope body is connected on the right upright post, the first jack is connected with a first opening of the three-way valve through a first oil pipe, the second jack is connected with a second opening of the three-way valve through a second oil pipe, and a third opening of the three-way valve is connected with the delivery end of the hydraulic pump through a third oil pipe.

2. A height adjustable door reaction frame as defined in claim 1, wherein: the left side stand with the cross section of right side stand all is "H" type, the left side stand with the right side stand all includes the web and forms the pterygoid lamina of web both sides.

3. A height adjustable door reaction frame as claimed in claim 2, wherein: the left upright post is used as an inner side at one side close to the cross beam, the opposite side is used as an outer side, the left upright post further comprises a first rib plate fixed at the outer side of the left upright post, and the first rope body is fixed on the first rib plate through a first anchorage device.

4. A height adjustable door reaction frame as claimed in claim 3, wherein: the right upright post is arranged on the beam, the beam is arranged on the right upright post, the right upright post is arranged on the beam, the right upright post is arranged on the.

5. The adjustable loading height door reaction frame of claim 4, wherein: the top of left side stand is equipped with first sealing plate, first jack is fixed on first sealing plate, the top of right side stand is equipped with the second sealing plate, the second jack is fixed on the second sealing plate.

6. The adjustable loading height door reaction frame of claim 5, wherein: the first guide block and the second guide block are both semi-cylindrical steel blocks, and rope grooves used for guiding the rope bodies are formed in the semi-cylindrical steel blocks.

7. The adjustable loading height door reaction frame of claim 6, wherein: the beam comprises an upper wing plate, a lower wing plate and a connecting plate arranged between the upper wing plate and the lower wing plate, the upper wing plate and the lower wing plate are arranged in parallel, and a plurality of reinforcing rib plates are further arranged between the upper wing plate and the lower wing plate.

8. A height adjustable door reaction frame as defined in claim 7, wherein: the upper wing plate is provided with a first inverted U-shaped steel plate and a second inverted U-shaped steel plate corresponding to the left stand column and the right stand column respectively, the first rope body is fixed on the first inverted U-shaped steel plate through a third anchor, and the second rope body is fixed on the second inverted U-shaped steel plate through a fourth anchor.

9. A height adjustable door reaction frame as defined in claim 8, wherein: the first sealing plate is provided with a first bottom plate, the first jack is fixed on the first bottom plate, the first bottom plate is further provided with a first sleeve sleeved outside the first jack, and the first sleeve is provided with a first notch through which the first oil pipe penetrates.

10. A height adjustable door reaction frame as defined in claim 9, wherein: the second sealing plate is provided with a second bottom plate, the second jack is fixed on the second bottom plate, the second bottom plate is further provided with a second sleeve sleeved outside the second jack, and a second notch for the second oil pipe to penetrate out is formed in the second sleeve.

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