Self-locking cart for transferring cable well cover plate

Abstract

The invention discloses a self-locking cart for cable well cover plate transfer, and relates to the field of transfer tools, the self-locking cart comprises an electric cylinder, a connecting seat, a placing plate and four sliding rods, the two ends of the connecting seat are integrally connected with a base respectively, two wheels are fixedly mounted at the bottom of the base, and vertical arms are fixedly mounted at the two ends of the base respectively; after a cover plate is placed on the upper surface of a placing plate, the placing plate is stably descended by controlling contraction of an electric cylinder, and in the descending process of the placing plate, under the traction effect of a steel wire rope, clamping plates on the two sides automatically get close to each other to clamp and fix the cover plate, so that the problem that the cover plate topples over in the transfer process is solved, and the safety of the cover plate is improved. And a worker does not need to manually fix the cover plate by using a clamp or a bandage, so that not only is the physical labor reduced, but also the loading and unloading process of the cover plate is quicker, and the working efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the field of transport tools, and in particular relates to a self-locking trolley for transporting cable well covers. Background Art

[0002] Cable well cover is a plate-shaped object used to cover the well opening of power cables. It is mainly used to protect the cables and equipment in the cable well, and also plays a role in preventing people from entering by mistake and preventing foreign objects from entering the cable well. Cable well cover is usually made of concrete, steel or composite materials, and has a certain load-bearing capacity and protective performance.

[0003] At present, when using a cart to transport the cable well cover, in order to facilitate the loading and unloading of the cover, it is usually necessary to place the cover upright on the cart. After the cover is loaded, the cover is fixed with a clamp or a strap to prevent the cover from tipping over and being damaged. It is time-consuming and laborious for workers to manually fix the cover with a clamp or a strap.

[0004] Therefore, we propose a self-locking trolley for transporting cable manhole covers to solve the above problems. Summary of the invention

[0005] In view of the problem that at present, when using a cart to transport cable well covers, workers manually use clamps or straps to fix the covers, which is time-consuming and labor-intensive, the present invention provides a self-locking cart for transporting cable well covers.

[0006] The solution adopted by the present invention to solve the technical problem is: a self-locking trolley for transporting cable manhole covers, comprising an electric cylinder, a connecting seat, a placing plate and four sliding rods, the two ends of the connecting seat are respectively integrally connected with a base, the bottom of the base is fixedly installed with two wheels, and the two ends of the base are respectively fixedly installed with vertical arms; The placement plate is located above the connection seat and is used to carry the cover plate. The electric cylinder is fixedly installed at the bottom of the connection seat, and its telescopic end passes through the connection seat and is fixedly connected to the bottom of the placement plate. A sliding sleeve is installed at the top of the vertical arm, a sliding rod is arranged in the sliding sleeve and can slide along the sliding sleeve, and a clamping plate is fixedly installed at one end of the sliding rod close to the placement plate; A detachable pulling member is installed between the placement plate and the slide bar, so that when the placement plate moves downward, the slide bar can be pulled toward the cover plate through the pulling member.

[0007] Preferably, a friction pad is provided on one side of the clamping plate for clamping the cover plate.

[0008] Preferably, two push rods are fixedly mounted on the top of any one of the bases.

[0009] Preferably, a plurality of ribs are fixedly installed between the slide rod and the clamping plate.

[0010] Preferably, the pulling member is a steel wire rope, both ends of which are respectively connected to an upper fixing ring and a lower fixing ring, the upper fixing ring is welded and fixed on the sliding rod, and the lower fixing ring is welded and fixed on the side of the placement plate.

[0011] Preferably, spring shackles are respectively installed at both ends of the steel wire rope, and the two spring shackles are respectively connected to the upper fixing ring and the lower fixing ring.

[0012] Preferably, a blocking piece is fixedly mounted on one end of the slide bar away from the clamping plate, a spring is sleeved on the slide bar, and two ends of the spring are fixedly connected to the blocking piece and the vertical arm respectively.

[0013] Preferably, a support rod is provided in the through hole of the base, the support rod can slide up and down in the through hole, and the top end of the support rod is fixedly connected to the bottom of the placement plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention places the cover plate on the upper surface of the placement plate and controls the contraction of the electric cylinder to make the placement plate descend smoothly. During the descending process of the placement plate, the clamping plates on both sides are automatically close to each other under the pulling action of the wire rope, so as to clamp and fix the cover plate, thereby avoiding the problem of the cover plate tipping over during transportation, and workers are not required to use clamps or straps to manually fix the cover plate, which not only reduces physical labor, but also makes the loading and unloading process of the cover plate faster and improves work efficiency.

[0015] 2. The present invention controls the extension of the electric cylinder to make the placement plate move upward steadily for a certain distance, so that the wire rope no longer tightens the slide bar. Under the elastic force of the spring, the clamping plate is moved away from the cover plate, and then the workers can remove the cover plates on the placement plate one by one. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the three-dimensional structural schematic diagrams of the present invention; Figure 2 This is the second schematic diagram of the three-dimensional structure of the present invention.

[0017] In the figure: 1 base, 2 connecting seat, 3 electric cylinder, 4 placing plate, 5 wheel, 61 lower fixing ring, 62 wire rope, 63 upper fixing ring, 71 sliding rod, 72 blocking piece, 73 spring, 74 sliding sleeve, 8 vertical arm, 9 splint, 10 rib plate, 11 supporting rod, 12 hand push rod. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] See also Figure 1-2 The present invention provides a technical solution of a self-locking trolley for transporting cable manhole covers: Embodiment 1: according to Figure 1 and Figure 2 As shown, it includes an electric cylinder 3, a connecting seat 2, a placement plate 4 and four sliding rods 71. The two ends of the connecting seat 2 are respectively connected to a base 1 in one piece. The two bases 1 and one connecting seat 2 are in an I-shape. Two push rods 12 are fixedly installed on the top of any base 1, and two wheels 5 are fixedly installed on the bottom of the base 1. Vertical arms 8 are respectively fixedly installed on the two ends of the base 1, and the vertical arms 8 are made of square steel.

[0020] The placement plate 4 is located above the connecting seat 2 and is used to carry the cover plate. The electric cylinder 3 is fixedly installed at the bottom of the connecting seat 2. The telescopic end thereof passes through the connecting seat 2 and is fixedly connected to the bottom of the placement plate 4. The placement plate 4 is driven to move up and down by the telescopic movement of the electric cylinder 3. A battery is installed at the bottom of the connecting seat 2. The battery is electrically connected to the electric cylinder 3 through a control switch, and the telescopic movement of the electric cylinder 3 is controlled by the control switch.

[0021] A sliding sleeve 74 is installed at the top end of the vertical arm 8 , and the sliding rod 71 is arranged in the sliding sleeve 74 and can slide along the sliding sleeve 74 . A clamping plate 9 is fixedly installed at one end of the sliding rod 71 close to the placement plate 4 .

[0022] A detachable pulling member is installed between the placement plate 4 and the sliding rod 71. The pulling member is a steel wire rope 62. The two ends of the steel wire rope 62 are respectively connected to the upper fixing ring 63 and the lower fixing ring 61. The upper fixing ring 63 is welded and fixed to the sliding rod 71, and the lower fixing ring 61 is welded and fixed to the side of the placement plate 4. When the placement plate 4 is descending, the steel wire rope 62 pulls the sliding rod 71 and the clamping plate 9 toward the cover plate, so that the clamping plates 9 on both sides automatically approach each other, clamping and fixing the cover plate, avoiding the problem of the cover plate tipping over during transportation, and eliminating the need for workers to manually fix the cover plate using clamps or straps, which not only reduces physical labor, but also makes the loading and unloading process of the cover plate faster, thereby improving work efficiency.

[0023] A baffle 72 is fixedly installed at the end of the slide bar 71 facing away from the clamping plate 9, and a spring 73 is sleeved on the slide bar 71. The two ends of the spring 73 are fixedly connected to the baffle 72 and the vertical arm 8 respectively. By controlling the extension of the electric cylinder 3, the placement plate 4 can move upward smoothly for a certain distance, so that the wire rope 62 no longer tightens the slide bar 71. Under the elastic force of the spring 73, the clamping plate 9 is moved away from the cover plate, and then the workers can remove the cover plates on the placement plate 4 one by one.

[0024] When used specifically, the self-locking trolley for transporting cable well covers of the present invention first places the covers one by one upright on the upper surface of the placement plate 4. After the covers are placed, the electric cylinder 3 is controlled to retract so that the placement plate 4 is steadily lowered. During the lowering process of the placement plate 4, the clamping plates 9 on both sides are automatically brought close to each other under the pulling action of the steel wire rope 62 to clamp and fix the covers. Finally, the hand push rod 12 is operated to push the trolley to transport the covers. When it is necessary to remove the cover plate, the extension of the electric cylinder 3 is controlled to make the placement plate 4 move upward smoothly for a certain distance, so that the wire rope 62 no longer tightens the sliding rod 71. Under the elastic force of the spring 73, the clamping plate 9 is moved away from the cover plate, and the worker can remove the cover plates on the placement plate 4 one by one.

[0025] Embodiment 2: On the basis of the first embodiment, Figure 1 As shown, a friction pad is provided on one side of the clamping plate 9 for clamping the cover plate.

[0026] A plurality of ribs 10 are fixedly installed between the slide bar 71 and the clamping plate 9 to increase the connection strength between the slide bar 71 and the clamping plate 9 .

[0027] Embodiment three: Based on the first embodiment, the difference is as follows: spring shackles are installed at both ends of the wire rope 62, and the two spring shackles are respectively connected to the upper fixing ring 63 and the lower fixing ring 61, so that the wire rope 62 is more convenient to disassemble.

[0028] Embodiment 4: On the basis of the first embodiment, Figure 1 and Figure 2 As shown, a support rod 11 is provided in the through hole of the base 1. The support rod 11 can slide up and down in the through hole, and its top end is fixedly connected to the bottom of the placement plate 4. By providing the support rod 11, the stability of the placement plate 4 during the up and down movement is improved.

Claims

1. A self-locking trolley for transporting cable manhole covers, comprising an electric cylinder, a connecting seat, a placement plate and four sliding rods, characterized in that: The two ends of the connecting seat are respectively integrally connected with a base, the bottom of the base is fixedly mounted with two wheels, and the two ends of the base are respectively fixedly mounted with vertical arms; The placement plate is located above the connection seat and is used to carry the cover plate. The electric cylinder is fixedly installed at the bottom of the connection seat, and its telescopic end passes through the connection seat and is fixedly connected to the bottom of the placement plate. A sliding sleeve is installed at the top of the vertical arm, a sliding rod is arranged in the sliding sleeve and can slide along the sliding sleeve, and a clamping plate is fixedly installed at one end of the sliding rod close to the placement plate; A detachable pulling member is installed between the placement plate and the slide bar, so that when the placement plate moves downward, the slide bar can be pulled toward the cover plate through the pulling member.

2. The self-locking trolley for transporting cable manhole covers according to claim 1 is characterized in that: A friction pad is arranged on one side of the clamping plate for clamping the cover plate.

3. The self-locking trolley for transporting cable manhole covers according to claim 1 is characterized in that: Two push rods are fixedly installed on the top of any one of the bases.

4. The self-locking trolley for transporting cable manhole covers according to claim 1 is characterized in that: A plurality of ribs are fixedly installed between the slide bar and the clamping plate.

5. The self-locking trolley for transporting cable manhole covers according to claim 1 is characterized in that: The pulling member is a steel wire rope, and the two ends of the steel wire rope are respectively connected to an upper fixing ring and a lower fixing ring. The upper fixing ring is welded and fixed on the sliding rod, and the lower fixing ring is welded and fixed on the side of the placement plate.

6. The self-locking trolley for transporting cable manhole covers according to claim 5 is characterized in that: Spring shackles are respectively installed at both ends of the steel wire rope, and the two spring shackles are respectively connected to the upper fixing ring and the lower fixing ring.

7. The self-locking trolley for transporting cable manhole covers according to claim 5 or 6, characterized in that: A blocking piece is fixedly installed on one end of the slide bar away from the clamping plate, and a spring is sleeved on the slide bar, and two ends of the spring are respectively fixedly connected with the blocking piece and the vertical arm.

8. The self-locking trolley for transporting cable manhole covers according to claim 1 is characterized in that: A support rod is arranged in the through hole of the base. The support rod can slide up and down in the through hole, and the top end of the support rod is fixedly connected to the bottom of the placement plate.

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