CN211115744U

CN211115744U - Portable bridge detects and hangs ladder

Info

Publication number: CN211115744U
Application number: CN201921876130.6U
Authority: CN
Inventors: 蒋红云; 张小来; 孙华; 徐德君; 王秋茹; 周正云
Original assignee: Suzhou Kelian Construction Engineering Quality Inspection Co ltd
Current assignee: Suzhou Kelian Construction Engineering Quality Inspection Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-28
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a portable bridge detects and hangs ladder relates to the maintenance and the detection area of bridge, and its technical scheme main points are including the body and the couple subassembly that is located this end of body, and the body includes that a plurality of can dismantle the ladder section of connection, and ladder section includes that two montants that are parallel to each other and a plurality of vertical connection are in the horizontal pole of two montants. One end of the vertical rod is provided with an inserting rod along the length direction of the vertical rod, and the other end of the vertical rod is provided with a jack for inserting the inserting rod in the adjacent ladder sections. The cross rod adjacent to the jack is provided with a cavity communicated with the jack along the length direction of the cross rod, and a connecting mechanism used for fixing the jack is arranged in the cavity. Need spin on one by one or dismantle a plurality of fixing bolt in order to accomplish the equipment of hanging the ladder or disassemble to compare among the prior art, the utility model has the advantages of easy operation can accomplish the equipment fast or disassemble.

Description

Portable bridge detects and hangs ladder

Technical Field

The utility model relates to a maintenance and the detection area of bridge, more specifically say, it relates to a ladder is hung in portable bridge detection.

Background

In the process of building and using the bridge, due to the external effects of vehicles, wind, earthquakes, human factors and the like and the influence of the change of the material structure of the bridge, the structure of the bridge part is damaged and degraded to different degrees before the design life is not reached. If the damage cannot be detected and maintained in time, the service life of the bridge is shortened, and potential safety hazards such as sudden damage and collapse of the bridge exist. Therefore, the bridge needs to be periodically inspected and maintained to ensure a sufficient service life and reduce the occurrence of safety accidents.

Aiming at the detection and maintenance of bridges with narrow spaces or bridges with narrow spaces, movable bridges are commonly used for detection at present, and the construction and detection of workers are facilitated. Chinese patent with prior application publication No. CN110259368A discloses a portable bridge detection hanging ladder, which comprises a hook component at the upper end, a connecting component at the middle part and a supporting component at the lower end. The couple subassembly is the type of falling U structure, and coupling assembling can dismantle the middle part vertical ladder of connecting by the multistage and constitute, and the middle part vertical ladder is connected in the lower extreme of couple subassembly. Wherein, all through muffjoint between the middle part vertical ladder, between middle part vertical ladder and the couple subassembly, between middle part vertical ladder and the lower part vertical ladder, be equipped with fixing bolt on the sleeve, realize the fastening connection between sleeve and vertical ladder and couple through fixing bolt. The portability of equipment is increased through the mode of disassembling in the above-mentioned patent publication, and the application scope of hanging the ladder has been expanded to the spliceability based on the component simultaneously.

However, the hanging ladder in the above-mentioned patent realizes the fastening connection between the sleeves and the vertical ladder and the hook by the fixing bolts, each sleeve needs at least four fixing bolts, if the hanging ladder has enough length, more fixing bolts are needed. When the hanging ladder is assembled or disassembled, workers need to screw on or disassemble the fixing bolts one by one to assemble or disassemble the hanging ladder, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a portable bridge detects and hangs ladder, it has the equipment and disassembles simple easy operation and portable's advantage.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a portable bridge detection hanging ladder comprises a body and a hook assembly positioned at the end part of the body, wherein the body comprises a plurality of detachably connected ladder sections, and each ladder section comprises two vertical rods parallel to each other and a plurality of transverse rods vertically connected to the two vertical rods;

one end of the vertical rod is provided with an inserting rod along the length direction of the vertical rod, and the other end of the vertical rod is provided with an inserting hole for inserting the inserting rod in the adjacent ladder section;

the cross rod adjacent to the jack is provided with a cavity communicated with the jack along the length direction of the cross rod, and a connecting mechanism used for fixing the jack is arranged in the cavity.

By adopting the technical scheme, when the hanging ladder is assembled, the assembly of the hanging ladder can be completed only by inserting the inserted bar into the insertion hole and fixing the inserted bar into the insertion hole by using the connecting mechanism; when the hanging ladder needs to be disassembled, the disassembly can be completed only by releasing the fixation of the inserted bar. Compared with the prior art, the scheme can complete the assembly or disassembly of the hanging ladder without screwing or disassembling the fixing bolts one by one, and the operation is simple and rapid.

Furthermore, the connecting mechanism comprises two parallel supporting bars arranged along the length direction of the cross bar, and the inserted bar is provided with a through hole for the supporting bars to be inserted into;

a driving assembly for generating push-pull power to drive the supporting bar to be close to or far away from the jack is arranged in the cavity;

the support bar is characterized by further comprising a guide structure which enables the support bar to move along the length direction of the cross bar.

Through adopting above-mentioned technical scheme, when the ladder is hung in the equipment, insert the inserted bar in the jack, utilize drive assembly drive support bar card to go into in order to realize fixing the inserted bar in the through-hole to reach the purpose that the ladder is hung in the fast assembly. The support bars are separated from the through holes, so that the hanging ladder can be disassembled, and the operation is simple and rapid. Utilize guide structure to prevent that the moving direction of support bar from taking place the skew at the removal in-process, influencing the accurate inserting through-hole of support bar.

Furthermore, the driving assembly comprises a rotating gear which is positioned between the two supporting strips and is axially vertical to the length direction of the supporting strips, and racks which are meshed with the rotating gear are arranged on the side surfaces of the two supporting strips facing the rotating gear;

the driving device also comprises a driving piece for driving the rotating gear to rotate.

Through adopting above-mentioned technical scheme, utilize driving piece drive running gear to rotate in order to order about the support bar to insert or break away from the jack to reach the purpose of assembling or disassembling hanging the ladder.

Further, the driving piece comprises a connecting rod which penetrates through the side wall of the cross rod and is connected to the rotating gear, and a rotating handle is arranged at one end, far away from the rotating gear, of the connecting rod.

Through adopting above-mentioned technical scheme, rotate rotatory handle drive running gear and rotate to make the support bar insert or break away from the through-hole, easy operation, the staff of being convenient for implements.

Further, the rotating handle is provided with a locking mechanism for fixing the rotating handle.

Through adopting above-mentioned technical scheme, utilize locking mechanical system fixed rotatory handle, prevent to hang ladder equipment and accomplish the back, rotatory handle rotates and makes the support bar break away from the through-hole, prevents the emergence of incident.

Further, locking mechanical system includes that the axis is on a parallel with the connecting rod and runs through the locking strip that rotatory handle set up, a plurality of confession locking strip male spacing grooves are seted up towards the side of rotatory handle to the horizontal pole, and is a plurality of the spacing groove distributes along the circumference of connecting rod.

Through adopting above-mentioned technical scheme, insert the purpose of locking strip in order to reach fixed rotatory handle in the spacing inslot, prevent to hang ladder equipment and accomplish the back, rotatory handle rotates and makes the support bar break away from the through-hole, prevents the emergence of incident.

Furthermore, one end of the locking strip, which is far away from the cross rod, is provided with a limiting cap, and the rotating handle is slidably provided with a sliding block which is used for supporting the limiting cap to prevent the locking strip, which is separated from the limiting groove, from being inserted into the limiting groove;

the side surface of the rotating handle facing the limiting cap is provided with a slide way for the sliding block to be clamped in, and the slide way and the sliding block are both T-shaped;

the locking strip is provided with an elastic member for generating an acting force for inserting the locking strip into the limiting groove.

Through adopting above-mentioned technical scheme, when needing to rotate rotatory handle, break away from the spacing groove with the locking strip, utilize the slider to support spacing cap in order to prevent that the locking strip card from going into the spacing inslot, the staff of being convenient for rotates rotatory handle. When the rotary handle needs to be fixed, the support of the sliding block on the limiting cap is removed, and the locking strip can be rapidly inserted into the limiting groove under the action of the elastic piece.

Furthermore, the locking strip is coaxially provided with a limiting ring positioned between the rotating handle and the cross rod, the elastic part is a compression spring sleeved on the locking strip, and two ends of the compression spring are respectively connected to the rotating handle and the limiting ring.

Through adopting above-mentioned technical scheme, utilize compression spring when preventing that the locking strip from breaking away from rotatory handle, the elasticity that compression spring produced can act on rotatory handle and spacing ring for the spacing ring has the trend of being close to the spacing groove, thereby makes the locking strip have the trend of card income spacing groove. After the support of the sliding block on the limiting cap is removed, the locking strip is inserted into the limiting groove under the action of the compression spring, so that the rotary handle is fixed.

Further, guide structure includes and locates the draw runner of support bar side along support bar length direction, the inside wall of horizontal pole is provided with the spout that supplies the draw runner card to go into.

Through adopting above-mentioned technical scheme, in the spout was gone into to the draw runner card, can make the support bar can only move along the length direction of horizontal pole at the in-process that removes, avoid the moving direction of support bar to take place the skew, influence the accurate card of support bar and go into in the through-hole.

To sum up, the utility model discloses following beneficial effect has:

1. by arranging the supporting bars, the rotating gears and the rotating handle, the supporting bars can be inserted into or separated from the through holes by rotating the rotating handle, so that the purpose of quickly assembling or disassembling the hanging ladder is achieved;

2. utilize locking mechanical system with fixed rotatory handle, prevent to hang the ladder and accomplish the back at the equipment, rotatory handle takes place to rotate and makes the support bar break away from the through-hole, prevents the emergence of incident.

Drawings

FIG. 1 is a schematic view of an overall structure of a portable bridge detection hanging ladder in an embodiment;

FIG. 2 is an exploded view of the cross and vertical rods of the embodiment;

FIG. 3 is a cross-sectional view of a cross bar in an embodiment;

FIG. 4 is an exploded view of the cross bar of the embodiment;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is an enlarged view of a portion B in fig. 2.

In the figure: 1. a ladder section; 10. hooking; 11. a vertical rod; 111. a jack; 112. inserting a rod; 113. a through hole; 12. a cross bar; 120. a cavity; 121. a chute; 122. a mounting seat; 123. a limiting groove; 2. a supporting strip; 21. a rack; 22. a slide bar; 3. a rotating gear; 4. a connecting rod; 5. rotating the handle; 51. a slideway; 511. an opening; 512. a plugging block; 52. a slider; 6. a locking strip; 61. a limiting cap; 62. a limiting ring; 63. compressing the spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a portable hanging ladder for bridge detection refers to fig. 1, and comprises a body and a hook 10 which is located at the end of the body and is in an inverted U shape. The body includes that the ladder section 1 of connection can be dismantled to a plurality of, can select the quantity of ladder section 1 so that the length of hanging the ladder after the equipment is accomplished satisfies operational environment's demand according to operational environment's needs.

Referring to fig. 1 and 2, each ladder section 1 includes two elongated vertical bars 11, two horizontal bars 12 are perpendicularly connected between the two vertical bars 11, and the cross sections of the vertical bars 11 and the horizontal bars 12 are square. One end of the vertical rod 11 is provided with a strip-shaped inserted bar 112 along the length direction of the vertical rod 11, and one end of the vertical rod 11 far away from the inserted bar 112 is provided with a jack 111 for inserting the inserted bar 112 in the adjacent ladder section 1. The end of the vertical rod 11 connected with the hook 10 is not provided with an insertion rod 112, and one end of the vertical rod 11 far away from the hook 10 is provided with an insertion hole 111.

Referring to fig. 2 and 3, the cross bar 12 adjacent to the insertion holes 111 is provided with a square cavity 120 along the length direction of the cross bar 12, and two ends of the cavity 120 are respectively communicated with the two insertion holes 111. Two parallel supporting bars 2 are arranged in the cavity 120, and the insertion rod 112 is provided with a through hole 113 for inserting the end of the supporting bar 2.

Referring to fig. 4 and 5, the side surface of the supporting bar 2 is provided with a slide bar 22 along the length direction of the supporting bar 2, and the inner side wall of the cross bar 12 is provided with a sliding groove 121 for the slide bar 22 to be clamped into. The cross sections of the sliding strip 22 and the sliding groove 121 are both in a T shape, so that the sliding strip 22 is prevented from sliding out of the sliding groove 121, and the supporting bar 2 is prevented from shifting in the moving direction in the process of approaching or departing from the insertion hole 111, and the supporting bar 2 is prevented from being accurately inserted into the through hole 113. The length of spout 121 and slide 22 all is less than the length of horizontal pole 12 to make support bar 2 when breaking away from through-hole 113, the tip of spout 121 has the effect that prevents support bar 2 and continue to move, prevents that the tip striking inserted bar 112 of support bar 2 from causing the damage, prevents simultaneously that the tip of support bar 2 from supporting inserted bar 112 tightly and influencing the staff and disassembling the hanging ladder.

Referring to fig. 4 and 6, a rotation gear 3 is installed between two support bars 2 in a cavity 120, and a mounting seat 122 for mounting the rotation gear 3 is provided on a sidewall of the cavity 120. The side surfaces of the two supporting bars 2 are respectively provided with a rack 21 which is meshed with the rotating gear 3, and the supporting bars 2 are driven to be inserted into or separated from the insertion holes 111 by the rotation of the rotating gear 3. The gear shaft of the rotating gear 3 is connected with a cylindrical connecting rod 4, the connecting rod 4 penetrates through the side wall of the cross rod 12 departing from the inserted link 112, and one end of the connecting rod 4 far away from the rotating gear 3 is rotatably connected with a long-strip-shaped rotating handle 5 with the axis parallel to the cross rod 12. The rotation handle 5 is rotated to drive the rotation gear 3 to rotate, so as to drive the support bar 2 to be inserted into or separated from the insertion hole 111.

Referring to fig. 6, one end of the rotating handle 5, which is far away from the connecting rod 4, penetrates through the locking strip 6, the axis of which is parallel to the axis of the connecting rod 4, the side of the cross rod 12, which faces the rotating handle 5, is provided with a plurality of limiting grooves 123 for inserting the locking strip 6, and the limiting grooves 123 are distributed at equal intervals along the circumferential direction of the connecting rod 4. One end of the locking strip 6, which is far away from the cross rod 12, is provided with a circular limiting cap 61, and the locking strip 6 is coaxially provided with a limiting ring 62 positioned between the rotating handle 5 and the cross rod 12. The locking strip 6 is sleeved with a compression spring 63, and two ends of the compression spring 63 are respectively connected to the rotating handle 5 and the limiting ring 62.

Referring to fig. 6, a T-shaped slide 51 is formed on the side of the rotating handle 5 away from the crossbar 12 along the length direction of the rotating handle 5, one end of the slide 51 extends to the end face of the rotating handle 5 to form an opening 511, and the other end of the slide 51 is close to the locking strip 6 and is located between the limiting cap 61 and the rotating handle 5. A T-shaped sliding block 52 is clamped in the slide rail 51, when the locking strip 6 is separated from the limiting groove 123, the sliding block 52 is moved to the position below the limiting cap 61 to support the limiting cap 61, the locking strip 6 is prevented from being inserted into the limiting groove 123 under the action of the compression spring 63, and a worker can rotate the rotating handle 5 to drive the supporting strip 2 to be inserted into or separated from the through hole 113. A T-shaped plugging block 512 is arranged at the opening 511 to plug the opening 511 and prevent the slide block 52 from sliding out of the slide way 51.

The working principle is as follows: when the hanging ladder is assembled, the insertion rod 112 is inserted into the insertion hole 111, and the rotating handle 5 is rotated to drive the rotating gear 3 to rotate, so that the supporting bar 2 is driven to move along the length direction of the cross bar 12 and be inserted into the insertion hole 111. After the assembly is completed, the locking strip 6 is inserted into the limiting groove 123 to prevent the rotation handle 5 from rotating to enable the supporting bar 2 to be separated from the through hole 113, and safety accidents are prevented. When the hanging ladder needs to be disassembled, the locking strip 6 is separated from the limiting groove 123, and the rotating handle 5 is rotated to drive the supporting strip 2 to be separated from the through hole 113.

Compared with the prior art in which a plurality of fixing bolts need to be screwed on or disassembled one by one to complete the assembly or disassembly of the hanging ladder, the embodiment has the advantages of simple operation and rapid completion of the assembly or disassembly.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.

Claims

1. The utility model provides a ladder is hung in portable bridge detection, includes the body and is located the couple subassembly of this end of body, its characterized in that: the ladder comprises a body and a plurality of ladder sections (1) which are detachably connected, wherein each ladder section (1) comprises two vertical rods (11) which are parallel to each other and a plurality of cross rods (12) which are vertically connected with the two vertical rods (11);

one end of the vertical rod (11) is provided with an inserted link (112) along the length direction of the vertical rod (11), and the other end of the vertical rod (11) is provided with an insertion hole (111) for inserting the inserted link (112) in the adjacent ladder section (1);

the cross rod (12) adjacent to the insertion hole (111) is provided with a cavity (120) communicated with the insertion hole (111) along the length direction of the cross rod (12), and a connecting mechanism used for fixing the insertion rod (112) is arranged in the cavity (120).

2. The portable bridge detection hanging ladder of claim 1, wherein: the connecting mechanism comprises two parallel supporting bars (2) arranged along the length direction of the cross bar (12), and the inserted bar (112) is provided with a through hole (113) for inserting the supporting bars (2);

a driving assembly for generating push-pull power to drive the supporting bar (2) to be close to or far away from the jack (111) is arranged in the cavity (120);

the supporting bar (2) is driven to move along the length direction of the cross bar (12).

3. The portable bridge detection hanging ladder of claim 2, wherein: the driving assembly comprises a rotating gear (3) which is positioned between the two supporting strips (2) and is axially vertical to the length direction of the supporting strips (2), and racks (21) which are meshed with the rotating gear (3) are arranged on the side surfaces of the two supporting strips (2) facing the rotating gear (3);

the device also comprises a driving piece for driving the rotating gear (3) to rotate.

4. The portable bridge detection hanging ladder of claim 3, wherein: the driving piece comprises a connecting rod (4) penetrating through the side wall of the cross rod (12) and connected to the rotating gear (3), and a rotating handle (5) is arranged at one end, far away from the rotating gear (3), of the connecting rod (4).

5. The portable bridge detection hanging ladder of claim 4, wherein: the rotating handle (5) is provided with a locking mechanism for fixing the rotating handle (5).

6. The portable bridge detection hanging ladder of claim 5, wherein: locking mechanical system includes that the axis is on a parallel with connecting rod (4) and runs through locking strip (6) that rotation handle (5) set up, horizontal pole (12) are seted up a plurality of confession locking strip (6) male spacing grooves (123) towards the side of rotation handle (5), and are a plurality of spacing grooves (123) are along the circumference distribution of connecting rod (4).

7. The portable bridge detection hanging ladder of claim 6, wherein: a limiting cap (61) is arranged at one end, away from the cross rod (12), of the locking strip (6), and a sliding block (52) used for supporting the limiting cap (61) to prevent the locking strip (6) after being separated from the limiting groove (123) from being inserted into the limiting groove (123) is arranged on the rotating handle (5) in a sliding mode;

the side surface, facing the limiting cap (61), of the rotating handle (5) is provided with a slide way (51) for the sliding block (52) to be clamped in, and the slide way (51) and the sliding block (52) are both T-shaped;

the locking strip (6) is provided with an elastic member for generating an acting force for inserting the locking strip (6) into the limiting groove (123).

8. The portable bridge detection hanging ladder of claim 7, wherein: the locking strip (6) is coaxially provided with a limiting ring (62) located between the rotating handle (5) and the cross rod (12), the elastic piece is a compression spring (63) sleeved on the locking strip (6), and two ends of the compression spring (63) are respectively connected to the rotating handle (5) and the limiting ring (62).

9. The portable bridge detection hanging ladder of claim 2, wherein: the guide structure includes and locates draw runner (22) of support bar (2) side along support bar (2) length direction, the inside wall of horizontal pole (12) is provided with spout (121) that confession draw runner (22) card is gone into.