Side ditch cover plate lifting appliance

Abstract

The utility model provides a side ditch cover plate lifting appliance which comprises a cross rod, two ends of the cross rod are rotatably connected with first battens, two second battens are arranged between the two first battens, the second battens are sleeved on the cross rod and rotatably connected with the cross rod, one end, far away from the cross rod, of each first batten is rotatably connected with a first arm plate, and the other end, far away from the cross rod, of each second batten is rotatably connected with a second arm plate. The end, away from the transverse rod, of the second batten is rotationally connected with a second arm plate, and the first arm plate and the second arm plate located on one side of the transverse rod intersect with each other to form a scissor fork structure. Angle steel used for being clamped on the side face of the side ditch cover plate is installed between the ends, away from the first batten, of the two first arm plates, angle steel used for being clamped on the side face of the side ditch cover plate is installed between the ends, away from the second batten, of the two second arm plates, and shielding pieces used for preventing the hands of a person from being pinched are installed at the two ends of the transverse rod. The lifting appliance has the beneficial effects that the hands of a person are prevented from being pinched by the scissor fork structure in the lifting appliance, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ditch cover hoist, belong to road ditch construction field. BACKGROUND

[0002] The traditional method of roadbed ditch cover plate installation is to use a crane and other equipment to hoist the roadbed ditch cover plate. During the hoisting process, the hoist is used to clamp the ditch cover plate. Workers need to hold the hoist to adjust the position of the ditch cover plate during the cooperation of the hoist and the crane. The hoist with a scissor fork structure is commonly used to clamp the ditch cover plate. The scissor fork structure in the hoist is repeatedly folded during use. Workers are easily injured by the folded scissor fork during the process of holding the hoist. There is a great safety hazard. Therefore, a ditch cover plate hoist is needed to prevent personnel from being injured by the scissor fork structure in the hoist. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a ditch cover hoist to solve the problems raised in the background art. The utility model prevents personnel from being injured by the scissor fork structure in the hoist and improves safety.

[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a ditch cover hoist, comprising a crossbar, a connecting piece for connecting a lifting rope is installed on the outer surface of the upper part of the crossbar, a first slat is rotatably connected to each end of the crossbar, two second slats are provided between the two first slats, the second slat is sleeved on the crossbar and rotatably connected to the crossbar, a first arm plate is rotatably connected to the end of the first slat away from the crossbar, a second arm plate is rotatably connected to the end of the second slat away from the crossbar, the first arm plate and the second arm plate on one side of the crossbar intersect each other to form a scissor fork structure, the first arm plate and the second arm plate on one side of the crossbar are rotatably connected, an angle steel for clamping on the side of the ditch cover plate is installed between the ends of the two first arm plates away from the first slat and between the ends of the two second arm plates away from the second slat, and a shielding piece for preventing personnel from being injured is installed at both ends of the crossbar.

[0005] Further, the shielding piece comprises a carrier strip, the carrier strip is installed at both ends of the crossbar, the carrier strip is arranged perpendicularly to the crossbar, a plurality of vertical holes are equidistantly formed on the upper surface of the carrier strip, the vertical holes are arranged along the length direction of the carrier strip, a tube is concentrically arranged in the vertical hole, the upper end of the tube is open, the lower end of the tube is fixedly connected to the carrier strip, a through hole is formed in the bottom of the tube, a limiting head is slidably installed in the tube, a shielding rod is fixedly connected to the lower surface of the limiting head and arranged vertically, and the lower end of the shielding rod penetrates the passage formed by the through hole and the vertical hole.

[0006] Further, a threaded hole is arranged in the middle of the lower surface of the shielding rod, the threaded hole is arranged along the length direction of the shielding rod, a threaded column is threadedly connected in the threaded hole, and the lower end of the threaded column is fixedly connected with an extension rod.

[0007] Further, the two ends of the horizontal rod are fixedly connected with connecting heads, and the ends away from the horizontal rod are fixedly connected with the carrier strips.

[0008] Further, the connecting member comprises a hanging rod, the upper side of the horizontal rod is provided with a hanging rod arranged in parallel with the horizontal rod, the lower surface of the hanging rod is uniformly fixed with a plurality of rib rods, the lower end of the rib rod is fixedly connected with the horizontal rod, and the upper surface of the hanging rod is fixedly connected with a lifting ring at the middle position.

[0009] Further, the lower side of the horizontal rod is provided with a shaft rod arranged in parallel with the horizontal rod, and the first arm plate and the second arm plate are sleeved on the shaft rod and are rotationally connected with the shaft rod.

[0010] The utility model discloses beneficial effects:

[0011] 1, make two angle steels be clamped on two parallel sides of the edge ditch cover plate, utilize the crane to pull up the derrick, the first board strip, the second board strip, the first arm plate, the second arm plate and the horizontal rod form the scissors fork structure to unfold, so that two angle steels realize the clamping of the edge ditch cover plate, and vice versa, two angle steels are loosened from the edge frame cover plate, and the position of the edge ditch cover plate hoisted manually is adjusted by the worker, so as to save the effort and improve the efficiency.

[0012] 2, the carrier strip is installed on the two ends of the horizontal rod, and the shielding rod is inserted into the channel formed by the tube barrel and the vertical hole on the carrier strip, the limiting head of one end of the shielding rod is slidably installed in the tube barrel, under the limitation of the limiting head, the shielding rod is prevented from being separated from the tube barrel, when two angle steels are clamped on the edge ditch cover plate, the first board strip, the second board strip, the first arm plate, the second arm plate and the horizontal rod form the scissors fork structure in the folded state, when the shielding rod is blocked by the edge ditch cover plate, the limiting head moves upwards in the tube barrel, that is, the shielding rod is retracted into the tube barrel, when the first board strip, the second board strip, the first arm plate, the second arm plate and the horizontal rod form the scissors fork structure in the unfolded state, the shielding rod moves out of the tube barrel under the gravity of the shielding rod, the shielding structure formed by the shielding rod, the tube barrel and the carrier strip etc. always shields the scissors fork structure formed by the first board strip, the second board strip, the first arm plate, the second arm plate and the horizontal rod, prevents the hands of personnel from being clamped by the scissors fork structure in the lifting tool, and improves the safety.

[0013] 3, the threaded column is threadedly connected in the threaded hole, the assembly of the extension rod and the shielding rod is completed, the length of the threaded column in the threaded hole is adjusted, the shielding range formed by the extension rod, the shielding rod and the tube barrel etc. changes, and the shielding range is adjusted according to the requirement. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof as read in conjunction with the accompanying drawings:

[0015] Figure 1 It is a structural schematic view of the ditch cover hoist of the present application;

[0016] Figure 2 It is an assembly schematic view of the carrier strip, angle steel and cross bar in the ditch cover hoist of the present application;

[0017] Figure 3 It is an assembly schematic view of the lengthening rod, shielding rod and pipe cylinder in the ditch cover hoist of the present application;

[0018] In the figure: 1-cross bar, 2-hoisting rod, 3-carrier strip, 4-pipe cylinder, 5-connection head, 6-first plate strip, 7-first arm plate, 8-second arm plate, 9-angle steel, 10-lengthening rod, 11-shielding rod, 12-shaft rod, 13-rib, 14-vertical hole, 15-second plate strip, 16-sling, 17-threaded column, 18-threaded hole, 19-limiting head. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0020] Please refer to Figure 1 and Figure 2 The present application provides a technical solution: a ditch cover hoist, comprising a cross bar 1, the upper side of the cross bar 1 is provided with a hoisting rod 2 arranged in parallel with the cross bar 1, a plurality of ribs 13 are uniformly fixed on the lower surface of the hoisting rod 2, the lower end of the rib 13 is connected and fixed with the cross bar 1, a sling 16 is connected and fixed at the middle position of the upper surface of the hoisting rod 2, the hoisting rod 2 with the sling 16 is installed on the cross bar 1 by the rib 13, which is convenient for suspending the cross bar 1 on the hoisting structure of the crane by using a sling or iron chain.

[0021] Please refer to Figures 1-2Both ends of the horizontal rod 1 are rotatably connected with the first slat 6, two second slats 15 are arranged between the two first slats 6, the second slat 15 is sleeved on the horizontal rod 1 and rotatably connected with the horizontal rod 1, the end of the first slat 6 away from the horizontal rod 1 is rotatably connected with the first arm plate 7, the end of the second slat 15 away from the horizontal rod 1 is rotatably connected with the second arm plate 8, the first arm plate 7 and the second arm plate 8 on one side of the horizontal rod 1 are crossed to form a scissors structure, the first arm plate 7 and the second arm plate 8 on one side of the horizontal rod 1 are rotatably connected, the ends of the two first arm plates 7 away from the first slat 6 and the ends of the two second arm plates 8 away from the second slat 15 are both provided with the angle steel 9 for clamping on the side of the gutter cover, the lower side of the horizontal rod 1 is provided with the shaft 12 arranged in parallel with the horizontal rod 1, the first arm plate 7 and the second arm plate 8 are sleeved on the shaft 12 and rotatably connected with the shaft 12, the shaft 12 realizes the rotatable connection of the first arm plate 7 and the second arm plate 8, and improves the stability of the structure, so that the two angle steels 9 are clamped on the two parallel sides of the gutter cover, the crane is used to pull up the suspender 2, at this time, the scissors structure formed by the first slat 6, the second slat 15, the first arm plate 7, the second arm plate 8 and the horizontal rod 1 is unfolded, so that the two angle steels 9 realize the clamping of the gutter cover, and vice versa, the two angle steels 9 are loosened from the gutter cover, the position of the lifted gutter cover is manually adjusted by the worker, so that the purpose of saving labor and improving efficiency is achieved.

[0022] Referring to Figures 1-3The two ends of the crossbar 1 are connected and fixed with the connecting head 5, and the end of the connecting head 5 away from the crossbar 1 is connected and fixed with the carrier strip 3. At this time, the carrier strip 3 is arranged perpendicularly to the crossbar 1. A plurality of vertical holes 14 are equidistantly arranged on the upper surface of the carrier strip 3 along the length direction of the carrier strip 3. A tube 4 concentrically arranged with the vertical hole 14 is arranged on the upper side of the vertical hole 14. The upper end of the tube 4 is open. The lower end of the tube 4 is connected and fixed with the carrier strip 3. A through hole is arranged at the bottom of the tube 4. A limiting head 19 is slidably installed in the tube 4. A vertically arranged shielding rod 11 is connected and fixed to the lower surface of the limiting head 19. The lower end of the shielding rod 11 penetrates the channel formed by the through hole and the vertical hole 14. The carrier strip 3 is installed at the two ends of the crossbar 1. The shielding rod 11 is inserted into the channel formed by the tube 4 and the vertical hole 14 on the carrier strip 3. At this time, the limiting head 19 at one end of the shielding rod 11 is slidably installed in the tube 4. Under the limitation of the limiting head 19, the shielding rod 11 is prevented from being separated from the tube 4. When the two angle steels 9 are clamped on the gutter cover, the scissor fork structure formed by the first plate strip 6, the second plate strip 15, the first arm plate 7, the second arm plate 8 and the crossbar 1 is in a folded state. At this time, after the shielding rod 11 is blocked by the gutter cover, the limiting head 19 moves upward in the tube 4, that is, the shielding rod 11 is retracted into the tube 4. When the scissor fork structure formed by the first plate strip 6, the second plate strip 15, the first arm plate 7, the second arm plate 8 and the crossbar 1 is in an unfolded state, the shielding rod 11 moves out of the tube 4 under the action of gravity of the shielding rod 11. The shielding structure formed by the shielding rod 11, the tube 4 and the carrier strip 3 always shields the scissor fork structure formed by the first plate strip 6, the second plate strip 15, the first arm plate 7, the second arm plate 8 and the crossbar 1, preventing the hands of personnel from being clamped by the scissor fork structure in the spreader, and improving safety.

[0023] Referring to Figure 1 and Figure 3 A threaded hole 18 is arranged at the middle position of the lower surface of the shielding rod 11 along the length direction of the shielding rod 11. A threaded column 17 is threadedly connected in the threaded hole 18. The lower end of the threaded column 17 is connected and fixed with the lengthening rod 10. When the threaded column 17 is threadedly connected in the threaded hole 18, the assembly of the lengthening rod 10 and the shielding rod 11 is completed. The length of the threaded column 17 in the threaded hole 18 is adjusted. At this time, the shielding range of the shielding structure formed by the lengthening rod 10, the shielding rod 11 and the tube 4 changes, and the shielding range is adjusted as required.

[0024] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. The description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A ditch cover lifting device comprising a crossbar (1), characterized in that: The horizontal rod (1) is provided with a connecting piece for connecting the hanging rope at the upper position of the outer surface of the horizontal rod (1), and the two ends of the horizontal rod (1) are rotatably connected with first slats (6), two second slats (15) are arranged between the two first slats (6), the second slats (15) are sleeved on the horizontal rod (1) and are rotatably connected with the horizontal rod (1), the end of the first slat (6) away from the horizontal rod (1) is rotatably connected with a first arm plate (7), the end of the second slat (15) away from the horizontal rod (1) is rotatably connected with a second arm plate (8), the first arm plate (7) and the second arm plate (8) on one side of the horizontal rod (1) are crossed to form a scissors fork structure, the first arm plate (7) and the second arm plate (8) on one side of the horizontal rod (1) are rotatably connected, and the ends of the two first arm plates (7) away from the first slat (6) and the ends of the two second arm plates (8) away from the second slat (15) are both provided with angle steels (9) for clamping on the side of the gutter cover, and the two ends of the horizontal rod (1) are provided with shielding pieces for preventing the hands of the personnel from being pinched.

2. The trench cover hoist of claim 1, wherein: The shielding piece comprises a carrier strip (3), the two ends of the horizontal rod (1) are provided with the carrier strip (3), the carrier strip (3) is arranged perpendicularly to the horizontal rod (1), a plurality of vertical holes (14) are equidistantly arranged on the upper surface of the carrier strip (3), the plurality of vertical holes (14) are arranged along the length direction of the carrier strip (3), a tube (4) concentrically arranged with the vertical hole (14) is arranged on the upper side of the vertical hole (14), the upper end of the tube (4) is open, the lower end of the tube (4) is fixedly connected with the carrier strip (3), a through hole is arranged on the bottom of the tube (4), a limiting head (19) is slidably arranged in the tube (4), a vertically arranged shielding rod (11) is fixedly connected to the lower surface of the limiting head (19), and the lower end of the shielding rod (11) penetrates the channel formed by the through hole and the vertical hole (14).

3. The trench cover hoist of claim 2, wherein: A threaded hole (18) is arranged at the middle position of the lower surface of the shielding rod (11), the threaded hole (18) is arranged along the length direction of the shielding rod (11), and a threaded column (17) is threadedly connected in the threaded hole (18).

4. The trench cover hoist of claim 2, wherein: The two ends of the horizontal rod (1) are fixedly connected with connecting heads (5), and the end of the connecting head (5) away from the horizontal rod (1) is fixedly connected with the carrier strip (3).

5. The trench cover hoist of claim 1, wherein: The connecting piece comprises a hanging rod (2), the upper side of the horizontal rod (1) is provided with the hanging rod (2) arranged in parallel with the horizontal rod (1), a plurality of rib rods (13) are uniformly fixed on the lower surface of the hanging rod (2), the lower end of the rib rod (13) is fixedly connected with the horizontal rod (1), and a lifting ring (16) is fixedly connected to the middle position of the upper surface of the hanging rod (2).

6. The trench cover hoist of claim 1, wherein: The lower side of the horizontal rod (1) is provided with a shaft rod (12) arranged in parallel with the horizontal rod (1), and the first arm plate (7) and the second arm plate (8) are sleeved on the shaft rod (12) and are rotatably connected with the shaft rod (12).

Images