CN216588013U - Rail guard convenient to dismouting is used in road bridge construction - Google Patents

Abstract

The utility model discloses a protective guard convenient to disassemble and assemble for road and bridge construction, which comprises a pair of supporting rods, wherein the upper end and the lower end of each of two sides of each of the supporting rods are respectively and fixedly provided with four pairs of square sleeves, a pair of square cross beams are respectively inserted between two pairs of square sleeves in the four pairs of square sleeves, a fixing mechanism is arranged between one pair of square cross beams and two pairs of square sleeves in the four pairs of square sleeves, a pair of cross beams are arranged between one pair of square cross beams, a plurality of vertical rods with the same structure are hinged between one pair of cross beams, and two pairs of inserting blocks are respectively and fixedly arranged on one pair of cross beams. Time and labor are saved, and the operation is simple.

Description

Rail guard convenient to dismouting is used in road bridge construction

Technical Field

The utility model relates to the technical field of road and bridge construction, in particular to a protective guard convenient to disassemble and assemble for road and bridge construction.

Background

The contents of roadbed construction generally include: the utility model discloses a novel safety guardrail for road bridge construction, which comprises a counterweight base, wherein a support rod is fixedly connected with the upper surface of the counterweight base, connecting sleeves are fixedly connected with the two sides of the support rod, a cross rod is sleeved on the inner wall of the connecting sleeves, a warning board is fixedly connected with the top end of the support rod, a roller placing cavity is arranged on the lower surface of the counterweight base, a sliding chute is arranged on the inner side wall of the roller placing cavity, the inner wall of the chute is connected with an adjusting mechanism in a sliding way, however, in actual life, the construction site of the road and bridge is large in area and long in distance, and a plurality of guard railings are often required to be spliced to meet the requirements, the splicing mode of the utility model adopts fastening bolts for connection, and simultaneously, the installation mode of the lower roller is that the clamping rods are inserted and fixed, firstly, a plurality of sections of protective guards need a plurality of fastening bolts for fixation, the time and labor are wasted, the workload is large, a large amount of fastening bolts are required to be prepared, secondly, because the height of the roller is very low, at the lowest part of the whole device, when the clamping rod is used for adjusting the position of the roller, a worker needs to bend down or crouch down to operate, when installing a lot of sections rail guards, need a chucking pole of staff to adjust, cause frequent stoop or squat, then rise to one's body, waste time and energy and very tired, work speed is slow, uses inconveniently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the protective guard which is convenient to disassemble and assemble and used for road and bridge construction, and solves the problems that the existing device is time-consuming and labor-consuming in splicing and has low working speed.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a rail guard of dismouting of being convenient for is used in road bridge construction, includes a pair of bracing piece, it is a pair of the upper and lower both ends difference fixed mounting of bracing piece both sides has four pairs of square sleeve, four pairs of the cartridge has a pair of square crossbeam, a pair of respectively between two pairs of square sleeve in the square sleeve square crossbeam and four pairs install fixed establishment between two pairs of square sleeve in the square sleeve, and is a pair of be equipped with a pair of horizontal pole between the square crossbeam, and is a pair of articulated have the montant that a plurality of structures are the same between the horizontal pole, and is a pair of respectively fixed mounting has two pairs of inserted blocks on the horizontal pole, and is a pair of two pairs of square groove has been seted up in the square crossbeam respectively, and two pairs of the inserted block cartridge is in two pairs of square inslot, and is a pair of bracing piece lower extreme inside has seted up a pair of vertical groove respectively, and is a pair of moving mechanism is installed respectively in the vertical groove.

Preferably, the fixing mechanism comprises four pairs of first springs fixedly mounted on four pairs of inner side walls of the square sleeves respectively, one end of each of the four pairs of first springs is fixedly mounted with four pairs of square sliding plates, two ends of each pair of square cross beams are respectively contacted with one side of each of the four pairs of square sliding plates, four pairs of vertical sliding chutes are respectively formed in the four pairs of square sleeves, four pairs of L-shaped sliding rods are respectively inserted into the four pairs of vertical sliding chutes, four pairs of second springs are respectively sleeved outside the four pairs of L-shaped sliding rods, four pairs of bottom plates are respectively fixedly mounted at lower ends of the four pairs of L-shaped sliding rods, four pairs of first bolts are respectively fixedly mounted on lower end walls of the upper ends of the four pairs of L-shaped sliding rods, lower ends of the four pairs of second springs are respectively fixedly connected with upper surfaces of the four pairs of bottom plates, upper ends of the four pairs of second springs are respectively fixedly connected with inner surfaces of upper ends of the four pairs of vertical sliding chutes, four pairs of first inserting grooves are respectively formed in the square cross beams, the lower ends of the four pairs of first bolts respectively penetrate through the upper walls of the four pairs of square sleeves and are inserted into the four pairs of first slots.

Preferably, the moving mechanism includes a pair of slide bars respectively inserted into the pair of vertical slots, a pair of third springs are respectively fixedly mounted at upper ends of the pair of slide bars, a pair of pulley blocks are respectively fixedly mounted at lower ends of the pair of slide bars, upper ends of the pair of third springs are respectively fixedly connected with upper ends of the pair of vertical slots, a pair of second slots are respectively formed in inner walls of the pair of support bars, a pair of second bolts are respectively inserted into the pair of second slots, a pair of grooves are respectively formed in side walls of the pair of slide bars, a pair of third slots are respectively formed in the pair of support bars, a pair of third bolts are respectively inserted into the pair of third slots, a pair of elastic shifting pieces are respectively fixedly mounted between the pair of third bolts and outer walls of the pair of support bars, one ends of the pair of third bolts are respectively inserted into the pair of grooves, and upper ends of the pair of second bolts respectively penetrate through the pair of third bolts and extend into upper walls of the pair of third slots and lower ends of the pair of third slots The end is fixed mounting respectively has a pair of fourth spring, and is a pair of fourth spring lower extreme respectively with a pair of second slot diapire fixed connection, and is a pair of square spout has been seted up respectively to the second slot lateral wall, and is a pair of be equipped with a pair of connecting rod in the square spout respectively, and a pair of connecting rod one end respectively with a pair of second bolt lower extreme lateral wall fixed connection and the other end respectively fixed mounting have a pair of footboard.

Preferably, four pairs of cylinders are fixedly mounted on the inner side walls of the four pairs of square sleeves respectively, one ends of the four pairs of cylinders are in contact with the other sides of the four pairs of square sliding plates respectively, and the four pairs of first springs are located inside the four pairs of cylinders respectively.

Preferably, two pairs of bottom feet are respectively and fixedly installed at the lower ends of the pair of support rods and at the two sides of the pair of vertical grooves.

Preferably, a pair of indication board bases are fixedly mounted at the upper ends of the pair of support rods respectively.

Advantageous effects

The utility model provides a protective guard convenient to disassemble and assemble for road and bridge construction, which has the advantages that the device has compact structure, the support rod is not connected with a square cross beam by a fastening bolt, the square cross beam is only inserted into a square sleeve, then an L-shaped slide rod is taken up, a first bolt below one end of the L-shaped slide rod is inserted into a first slot in the square cross beam, the splicing of the protective guard can be realized, the fastening bolt is not required to be frequently screwed, the utility model enables a second bolt to be pulled out from a third bolt by stepping on a pedal downwards, then the support rod is pressed downwards, a groove extrudes a tip inclined plane at the front end of the third bolt, the third bolt is moved out from the groove, the slide rod can be retracted into a vertical slot, when the position of a pulley block is adjusted, the protective guard does not need frequent squat or bending down work of a worker, the operation can be realized by only stepping on the pedal, the time and labor are saved, the operation is simple, and convenience is brought to the use of people.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of the fixing mechanism of the present invention.

Fig. 3 is a partially enlarged schematic view of the moving mechanism of the present invention.

In the figure: 1. a support bar; 2. a sign base; 3. a square sleeve; 4. an L-shaped sliding rod; 5. a square cross beam; 6. a square groove; 7. a cross bar; 8. a vertical rod; 9. inserting a block; 10. a vertical slot; 11. a third spring; 12. footing; 13. a slide bar; 14. a groove; 15. a second slot; 16. a fourth spring; 17. a square chute; 18. a connecting rod; 19. a pedal; 20. a second bolt; 21. a third bolt; 22. an elastic shifting piece; 23. a vertical chute; 24. a second spring; 25. a base plate; 26. a first spring; 27. a first slot; 28. a first latch; 29. a square slide plate; 30. a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a guard rail convenient to disassemble and assemble for road and bridge construction comprises a pair of supporting rods 1, wherein four pairs of square sleeves 3 are respectively and fixedly installed at the upper ends and the lower ends of the two sides of each supporting rod 1, a pair of square cross beams 5 are respectively inserted between the two pairs of square sleeves 3 in the four pairs of square sleeves 3, a fixing mechanism is installed between the pair of square cross beams 5 and the four pairs of square sleeves 3 in the four pairs of square sleeves 3, a pair of cross rods 7 are arranged between the pair of square cross beams 5, a plurality of vertical rods 8 with the same structure are hinged between the pair of cross rods 7, two pairs of inserting blocks 9 are respectively and fixedly installed on the pair of cross rods 7, two pairs of square grooves 6 are respectively arranged in the pair of square cross beams 5, two pairs of inserting blocks 9 are respectively inserted in the two pairs of square grooves 6, and a pair of vertical grooves 10 are respectively arranged in the lower ends of the supporting rods 1, a moving mechanism is respectively arranged in the pair of vertical grooves 10, the fixing mechanism comprises four pairs of first springs 26 which are respectively fixedly arranged on the inner side walls of the four pairs of square sleeves 3, one ends of the four pairs of first springs 26 are fixedly provided with four pairs of square sliding plates 29, two ends of the pair of square beams 5 are respectively contacted with one sides of the four pairs of square sliding plates 29, four pairs of vertical sliding grooves 23 are respectively arranged in the four pairs of square sleeves 3, four pairs of L-shaped sliding rods 4 are respectively inserted in the four pairs of vertical sliding grooves 23, four pairs of second springs 24 are respectively sleeved outside the four pairs of L-shaped sliding rods 4, four pairs of bottom plates 25 are respectively and fixedly arranged at the lower ends of the four pairs of L-shaped sliding rods 4, four pairs of first bolts 28 are respectively and fixedly arranged on the lower wall surfaces of the upper ends of the four pairs of bottom plates 25, the lower ends of the four pairs of second springs 24 are respectively and fixedly connected with the upper surfaces of the four pairs of bottom plates 25, and the upper ends are respectively and fixedly connected with the inner surfaces of the four pairs of vertical sliding grooves 23, the pair of square beams 5 are respectively provided with four pairs of first slots 27, the lower ends of the four pairs of first bolts 28 respectively penetrate through the upper walls of the four pairs of square sleeves 3 and are inserted into the four pairs of first slots 27, the moving mechanism comprises a pair of slide bars 13 respectively inserted into the pair of vertical slots 10, the upper ends of the pair of slide bars 13 are respectively fixedly provided with a pair of third springs 11, the lower ends of the pair of slide bars 13 are respectively fixedly provided with a pair of pulley blocks, the upper ends of the pair of third springs 11 are respectively fixedly connected with the upper ends of the pair of vertical slots 10, the inner walls of the pair of support rods 1 are respectively provided with a pair of second slots 15, the pair of second bolts 20 are respectively inserted into the pair of second slots 15, the side walls of the pair of slide bars 13 are respectively provided with a pair of grooves 14, the pair of support rods 1 are respectively provided with a pair of third slots, and the pair of third slots 21 are respectively inserted into the pair of third slots, elastic shifting pieces 22 are fixedly arranged between the pair of third bolts 21 and the outer walls of the pair of support rods 1 respectively, one ends of the pair of third bolts 21 are inserted into the pair of grooves 14 respectively, the upper ends of the pair of second bolts 20 penetrate through the pair of third bolts 21 respectively and extend into the upper wall surfaces of the pair of third slots, the lower ends of the pair of third bolts are fixedly provided with a pair of fourth springs 16 respectively, the lower ends of the pair of fourth springs 16 are fixedly connected with the bottom walls of the pair of second slots 15 respectively, the side walls of the pair of second slots 15 are provided with a pair of square sliding chutes 17 respectively, the pair of square sliding chutes 17 are internally provided with a pair of connecting rods 18 respectively, one ends of the pair of connecting rods 18 are fixedly connected with the side walls of the lower ends of the pair of second bolts 20 respectively, the other ends of the pair of second bolts are fixedly provided with a pair of pedals 19 respectively, and the inner side walls of the four pairs of square sleeves 3 are fixedly provided with four pairs of cylinders 30 respectively, one end of the cylinder 30 is respectively contacted with the other side of the square sliding plate 29, the first springs 26 are respectively positioned in the four pairs of cylinders 30, the lower end of the supporting rod 1 is positioned in one pair, two pairs of bottom feet 12 are respectively and fixedly arranged on two sides of the vertical groove 10, and the upper end of the supporting rod 1 is respectively and fixedly provided with a pair of indication board bases 2.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.

Example (b): when the lifting device is used, firstly, the vertical rod 8 between the two transverse rods 7 is unfolded, the inserting blocks 9 on the transverse rods 7 are respectively inserted into the square grooves 6, then the L-shaped sliding rod 4 is lifted up, the lower end of the first bolt 28 is separated from the square sleeve 3, then the square cross beam 5 is respectively inserted into the square sleeve 3 on the supporting rod 1, the square sleeve 3 is inserted until one side of the square sliding plate 29 is contacted with one end of the cylinder 30, then the lower end of the first bolt 28 is inserted into the first inserting groove 27 in the square cross beam 5, so as to fix the square cross beam 5, when the pulley block at the lower end needs to be lifted, the pedal 19 is downwards stepped, the pedal 19 drives the second bolt 20 in the second inserting groove 15 to downwards move through the connecting rod 18, the upper end of the second bolt 20 is separated from the third bolt 21, then the supporting rod 1 is downwards pressed, at this time, the sliding rod 13 in the vertical groove 10 can move towards the vertical groove 10, the groove 14 in the sliding rod 13 can push the inclined plane at one end of the third bolt 21, so that the third bolt 21 leaves the groove 14, the sliding rod 13 enters the vertical groove 10, the lifting of the pulley block is realized, the adjustment is convenient, the frequent squatting or stooping of personnel is not needed, and the use is convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The guardrail convenient to disassemble and assemble for road and bridge construction comprises a pair of supporting rods (1) and is characterized in that the upper ends and the lower ends of the two sides of the supporting rods (1) are respectively and fixedly provided with four pairs of square sleeves (3), a pair of square cross beams (5) are respectively inserted between the four pairs of square sleeves (3), a fixing mechanism is arranged between the pair of square cross beams (5) and the four pairs of square sleeves (3), a pair of cross rods (7) are arranged between the pair of square cross beams (5), a plurality of vertical rods (8) with the same structure are hinged between the pair of cross rods (7), two pairs of inserting blocks (9) are respectively and fixedly arranged on the pair of cross rods (7), two pairs of square grooves (6) are respectively arranged in the pair of square cross beams (5), and the two pairs of inserting blocks (9) are respectively inserted in the two pairs of square grooves (6), a pair of vertical grooves (10) are respectively formed in the lower ends of the pair of support rods (1), and moving mechanisms are respectively installed in the pair of vertical grooves (10).

2. The guardrail convenient to disassemble and assemble for road and bridge construction according to claim 1, wherein the fixing mechanism comprises four pairs of first springs (26) fixedly installed on the inner side walls of the four pairs of square sleeves (3), one ends of the four pairs of first springs (26) are fixedly installed with four pairs of square sliding plates (29), two ends of the pair of square beams (5) are respectively contacted with one sides of the four pairs of square sliding plates (29), four pairs of vertical sliding chutes (23) are respectively arranged in the four pairs of square sleeves (3), four pairs of L-shaped sliding rods (4) are respectively inserted in the four pairs of vertical sliding chutes (23), four pairs of second springs (24) are respectively sleeved outside the four pairs of L-shaped sliding rods (4), four pairs of bottom plates (25) are respectively fixedly installed at the lower ends of the four pairs of L-shaped sliding rods (4), and four pairs of first bolts (28) are respectively fixedly installed on the lower wall surfaces of the upper ends of the four pairs of L-shaped sliding rods (4), the lower ends of the four pairs of second springs (24) are respectively fixedly connected with the upper surface of the bottom plate (25) and the upper ends of the four pairs of second springs are respectively fixedly connected with the inner surface of the upper end of the vertical sliding groove (23), the square cross beam (5) is provided with four pairs of first slots (27), and the lower ends of the four pairs of first bolts (28) respectively penetrate through the four pairs of upper walls of the square sleeve (3) and are inserted into the four pairs of first slots (27).

3. The guardrail convenient to disassemble and assemble for road and bridge construction according to claim 1, wherein the moving mechanism comprises a pair of slide bars (13) respectively inserted into a pair of vertical slots (10), a pair of third springs (11) are respectively fixedly installed at the upper ends of the pair of slide bars (13) and a pair of pulley blocks are respectively fixedly installed at the lower ends of the pair of slide bars, the upper ends of the pair of third springs (11) are respectively fixedly connected with the upper ends of the pair of vertical slots (10), a pair of second slots (15) are respectively opened at the inner walls of the pair of support bars (1), a pair of second bolts (20) are respectively inserted into the pair of second slots (15), a pair of grooves (14) are respectively opened at the side walls of the pair of slide bars (13), a pair of third slots are respectively opened in the pair of support bars (1), a pair of third bolts (21) are respectively inserted into the pair of third slots, an elastic shifting piece (22) is fixedly arranged between the pair of third bolts (21) and the outer walls of the pair of support rods (1) respectively, one end of each pair of third bolts (21) is inserted into the pair of grooves (14) respectively, the upper ends of the pair of second bolts (20) penetrate through the pair of third bolts (21) respectively and extend into the upper wall surfaces of the pair of third slots, the lower ends of the pair of third bolts are fixedly provided with a pair of fourth springs (16) respectively, the lower ends of the pair of fourth springs (16) are fixedly connected with the bottom walls of the pair of second slots (15) respectively, the side walls of the pair of second slots (15) are provided with a pair of square sliding grooves (17) respectively, and the pair of square sliding grooves (17) are internally provided with a pair of connecting rods (18) respectively, one end of each of the pair of connecting rods (18) is fixedly connected with the side wall of the lower end of each of the pair of second bolts (20), and the other end of each of the pair of connecting rods is fixedly provided with a pair of pedals (19).

4. The guardrail convenient to disassemble and assemble for road and bridge construction according to claim 2, wherein four pairs of cylinders (30) are fixedly mounted on the inner side walls of the four pairs of square sleeves (3), one ends of the four pairs of cylinders (30) are respectively contacted with the other sides of the four pairs of square sliding plates (29), and the four pairs of first springs (26) are respectively positioned inside the four pairs of cylinders (30).

5. The guardrail for road and bridge construction convenient to disassemble and assemble as claimed in claim 1, wherein two pairs of feet (12) are respectively and fixedly arranged at the lower ends of a pair of the supporting rods (1) and at two sides of a pair of the vertical grooves (10).

6. The guardrail convenient to disassemble and assemble for road and bridge construction according to claim 1, wherein a pair of indication board bases (2) are fixedly arranged at the upper ends of the pair of support rods (1) respectively.

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