Anti-falling bolt structure for paying-off tackle

Abstract

The utility model relates to the technical field of power construction devices, in particular to an anti-falling bolt structure for a paying-off tackle, which comprises a hanging plate, a frame, an L-shaped fixing block, an H-shaped connecting plate, a door-shaped connecting plate, a first bolt rod and a second bolt rod. The end, close to the frame, of the L-shaped fixing block is fixedly connected with the bottom of the H-shaped connecting plate through a first bolt, the end, away from the frame, of the L-shaped fixing block is hinged to the bottom of the door-shaped connecting plate through a second bolt, and a first clamping groove and a second clamping groove matched with the end of the hanging plate are formed in the H-shaped connecting plate and the door-shaped connecting plate correspondingly. The H-shaped connecting plate and the door-shaped connecting plate are each provided with a first inserting hole, the end of the hanging plate is provided with a second inserting hole, positioning sleeves are arranged on one side of the H-shaped connecting plate and one side of the door-shaped connecting plate, through holes are formed in the tops of the positioning sleeves, and limiting rods are fixedly arranged in the through holes in a penetrating mode. According to the utility model, the connection reliability and the operation convenience of the hanging plate and the insertion frame of the paying-off tackle are improved while the bolt is prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric power construction device technical field, specifically relates to a kind of anti-drop bolt structure for pay-off trolley. BACKGROUND

[0002] At present, pay-off trolley is widely used in electric power engineering stringing construction. In pay-off trolley, hanging plate and frame are usually connected by separate bolt. The so-called separate bolt means that bolt and pay-off trolley are independent of each other.

[0003] The separate bolt is easy to lose in construction and transportation because bolt and pay-off trolley are separated and not a whole. Bolt is completely fixed by gravity of pay-off trolley after being inserted, and bolt may automatically fall off when pay-off trolley is transported or changed direction, which brings safety hazard to construction. In prior art, there is a scheme of fixing bolt by spring or traction chain, but it is inconvenient to operate, not convenient for efficient operation, and safety needs to be further improved.

[0004] Therefore, there is an urgent need to develop a new anti-drop bolt structure for pay-off trolley. CONTENT OF UTILITY MODEL

[0005] The utility model aims to provide an anti-drop bolt structure for pay-off trolley, which can improve reliability of connection between hanging plate and frame of pay-off trolley, convenience of operation, and work efficiency while ensuring that bolt does not fall off.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0007] The utility model provides a kind of anti-drop bolt structure for wire sliding trolley, including hanging plate, vehicle frame, L type fixed block, H type connecting plate, door type connecting plate, bolt bar one and bolt bar two, the L type fixed block is fixed in the top end of vehicle frame, and the one end of L type fixed block close to vehicle frame is fixedly connected with the bottom of H type connecting plate by bolt one, the one end of L type fixed block away from vehicle frame is hinged with the bottom of door type connecting plate by bolt two, the H type connecting plate and door type connecting plate are equipped with the clamping groove one and clamping groove two respectively matched with the end of hanging plate, and the H type connecting plate and door type connecting plate are equipped with the insertion hole one respectively matched with bolt bar one, bolt bar two, the end of hanging plate is equipped with the insertion hole two respectively matched with bolt bar one, bolt bar two, one side of the H type connecting plate and door type connecting plate is equipped with positioning sleeve, the positioning sleeve is coaxial with corresponding insertion hole one, the top of the positioning sleeve is equipped with through-hole, the through-hole is fixedly provided with limiting rod, the bolt bar one, bolt bar two are equipped with the axial limit sliding slot and annular limit recess respectively matched with corresponding limiting rod, one end of the axial limit sliding slot and annular limit recess is through arrangement, the bolt bar one, bolt bar two are respectively slidably arranged in corresponding positioning sleeve, insertion hole one, insertion hole two, and the bolt bar one, bolt bar two are also equipped with annular limit protrusion that can be in contact with corresponding positioning sleeve, the top of the door type connecting plate is equipped with the compression member for compressing hanging plate, when the annular limit protrusion is in contact with positioning sleeve, the limiting rod is located in annular limit recess;When limiting rod is located in the one end of axial limit sliding slot away from annular limit recess, the hanging plate can be separated from vehicle frame.

[0008] Preferably, the one end of bolt bar one, bolt bar two away from positioning sleeve is respectively equipped with bent handle, to facilitate operation.

[0009] Preferably, the limiting rod is rivet or pin fixedly arranged in positioning sleeve, one end of the rivet or pin located in positioning sleeve is slidably connected in annular limit recess and axial limit sliding slot, to facilitate the push-pull and limiting of bolt bar one, bolt bar two.

[0010] Preferably, the compression member includes screw rod threadedly connected to the top of door type connecting plate, the top of the screw rod is equipped with annular handle, when hanging plate is arranged in clamping groove two, tightening screw rod can make hanging plate compress in clamping groove two, to further improve the safety of the device.

[0011] Preferably, when the door type connecting plate rotates away from H type connecting plate, the clamping groove two and the end of hanging plate do not interfere with each other, to ensure that hanging plate and vehicle frame can be separated from each other.

[0012] The utility model also includes other components that can make it normal use, all are conventional means in the field, in addition, the device or component not added in the utility model, all adopt prior art in the field, the technical personnel in the field can select its model, installation mode according to actual use demand, definite understanding its specific how installation and control, do not describe in detail here.

[0013] The working principle of the utility model is that when the hanging plate needs to be connected with the frame, first, the door-shaped connecting plate is rotated to the side away from the H-shaped connecting plate, then the hanging plate is clamped into the first clamping groove, the H-shaped connecting plate is flipped upwards, the end of the hanging plate is clamped into the second clamping groove, then the first and second bolt rods are rotated to the positions corresponding to the axial limiting grooves and limiting rods, the first and second bolt rods are pushed, the annular limiting protrusions are in abutment with the positioning sleeves, at this time, the two limiting rods are respectively slid into the corresponding annular limiting grooves along the axial limiting grooves of the first and second bolt rods, the first and second bolt rods are rotated, the positions of the limiting rods no longer correspond to the positions of the axial limiting grooves, thereby preventing the first and second bolt rods from axially moving, so that the corresponding first and second insertion holes are connected by the first and second bolt rods, then the end of the hanging plate is further pressed by the pressing member, the fixed connection of the hanging plate and the frame is realized, when the hanging plate needs to be separated from the frame, the first and second bolt rods are rotated, the positions of the limiting rods correspond to the positions of the axial limiting grooves again, the first and second bolt rods are pulled outwards, the first and second bolt rods are separated from the corresponding second insertion holes on the hanging plate, the pressing member is loosened, the door-shaped connecting plate is rotated to the side away from the H-shaped connecting plate, the separation of the hanging plate and the frame is realized, and the first and second bolt rods cannot be pulled out of the positioning sleeves due to the limitation of the limiting rods, thereby preventing the first and second bolt rods from being lost during construction and transportation.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model improves the reliability of the connection between the wire laying trolley hanging plate and the insertion frame and the convenience of operation while ensuring that the bolt is prevented from being separated, can prevent the bolt rod from being lost during construction and transportation, can quickly realize the quick disassembly and assembly of the hanging plate and the frame, and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further described below in combination with the drawings and embodiments.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model in the embodiment.

[0018] Figure 2 It is Figure 1The overall structure diagram of the first and second bolt rods in the A part.

[0019] Figure 3 is Figure 2 The enlarged structure diagram of the A part in the A part.

[0020] In the figure: 1-hanging plate, 2-frame, 3-L-shaped fixed block, 4-H-shaped connecting plate, 5-door-shaped connecting plate, 6-first bolt rod, 7-second bolt rod, 8-first bolt, 9-second bolt, 10-first clamping groove, 11-second clamping groove, 12-positioning sleeve, 13-limiting rod, 14-axial limiting sliding groove, 15-circumferential limiting groove, 16-circular limiting protrusion, 17-bent handle, 18-screw rod, 19-circular rotating handle. DETAILED DESCRIPTION

[0021] The utility model will be described clearly below in combination with the drawings and specific embodiments in the utility model embodiments, the description herein is only used to explain the utility model, but not as the limitation of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

[0022] EMBODIMENT

[0023] As Figures 1 to 3The utility model provides a kind of anti-drop bolt structure for pay-off trolley, including hanging plate 1, frame 2, L type fixed block 3, H type connecting plate 4, door type connecting plate 5, bolt bar one 6, bolt bar two 7, the L type fixed block is fixed in the top end of frame, and L type fixed block is close to the end of frame and the bottom of H type connecting plate is fixedly connected by bolt one 8, the end of L type fixed block far from frame is hinged connection with the bottom of door type connecting plate by bolt two 9, H type connecting plate and door type connecting plate are equipped with the end of matching with the card slot one 10 and card slot two 11 of hanging plate respectively, and H type connecting plate and door type connecting plate are equipped with the insertion hole one (not shown in drawing) of matching with bolt bar one, bolt bar two respectively, the end of hanging plate is equipped with the insertion hole two (not shown in drawing) of matching with bolt bar one, bolt bar two respectively, one side of H type connecting plate and door type connecting plate is equipped with positioning sleeve 12, the positioning sleeve is coaxially arranged with corresponding insertion hole one, the top of positioning sleeve is equipped with through-hole, limiting rod is fixedly arranged in the through-hole, limiting rod 13 is arranged, bolt bar one, bolt bar two are equipped with the axial limit sliding groove 14 and annular limit recess 15 of matching with corresponding limiting rod respectively, the end of axial limit sliding groove and annular limit recess is through arrangement, bolt bar one, bolt bar two are slidably arranged in corresponding positioning sleeve, insertion hole one, insertion hole two, and bolt bar one, bolt bar two are further equipped with annular limit protrusion 16 that can be in contact with corresponding positioning sleeve, the top of door type connecting plate is equipped with the compression member for compressing hanging plate, when annular limit protrusion is in contact with positioning sleeve, the limiting rod is located in annular limit recess;When limiting rod is located in the end of axial limit sliding groove far from annular limit recess, hanging plate can be separated from frame.

[0024] In the embodiment, the end of bolt bar one and bolt bar two far from positioning sleeve is respectively equipped with bent handle 17, to facilitate operation.

[0025] According to the above embodiment, the limiting rod is rivet fixedly arranged in positioning sleeve, one end of the rivet in positioning sleeve is slidably connected in annular limit recess and axial limit sliding groove, to facilitate the push-pull and limiting of bolt bar one and bolt bar two.

[0026] Specifically, the compression member includes screw rod 18 screw-connected at the top of door type connecting plate, the top of screw rod is equipped with annular handle 19, when hanging plate is arranged in card slot two, screw rod is tightened, the bottom of screw rod is tightly pressed against hanging plate, so that hanging plate is compressed in card slot two, to further improve the safety of the device.

[0027] It needs to be further explained that when door type connecting plate rotates to the side far from H type connecting plate, card slot two and the end of hanging plate do not interfere with each other, to ensure that hanging plate and frame can be separated from each other.

[0028] The working principle of the utility model is that when installing, first, the bolt rod one and the bolt rod two are inserted into the corresponding positioning sleeve and the insertion hole one, then the bolt rod one and the bolt rod two are rotated, the axial limiting sliding groove on the bolt rod one and the bolt rod two corresponds to the through hole on the positioning sleeve, the rivet is inserted into the through hole (the rivet is connected with the through hole in interference fit), so that the lower end of the rivet is inserted into the axial limiting sliding groove and the length of the rivet is set, so that it does not interfere with the axial sliding of the bolt rod one and the bolt rod two, so that the bolt rod one and the bolt rod two will not be pulled out of the positioning sleeve in the subsequent use process.

[0029] When the hanging plate needs to be connected with the frame, the door-shaped connecting plate is first rotated to the side away from the H-shaped connecting plate, then the hanging plate is clamped into the clamping groove one, the H-shaped connecting plate is then turned up, the end of the hanging plate is clamped into the clamping groove two, then the bolt rod one and the bolt rod two are rotated to the position where the axial limiting sliding groove corresponds to the limiting rod, the bolt rod one and the bolt rod two are pushed, the annular limiting protrusion is in abutment with the positioning sleeve, at this time, the two limiting rods are respectively slid into the corresponding annular limiting groove along the axial limiting sliding groove of the corresponding bolt rod one and bolt rod two, the bolt rod one and the bolt rod two are rotated, the position of the limiting rod no longer corresponds to the position of the corresponding axial limiting sliding groove, so as to prevent the axial displacement of the bolt rod one and the bolt rod two, so as to connect the corresponding insertion hole one and insertion hole two through the bolt rod one and the bolt rod two, then the end of the hanging plate is further pressed by the pressing part, the fixed connection of the hanging plate and the frame is realized, when the hanging plate needs to be separated from the frame, the bolt rod one and the bolt rod two are rotated, the position of the limiting rod corresponds to the position of the corresponding axial limiting sliding groove again, the bolt rod one and the bolt rod two are pulled outwards, the bolt rod one and the bolt rod two are respectively separated from the corresponding insertion hole two on the hanging plate, the pressing part is loosened, the door-shaped connecting plate is rotated to the side away from the H-shaped connecting plate, the separation of the hanging plate and the frame is realized, at the same time, due to the limitation of the limiting rod, the corresponding bolt rod one and bolt rod two cannot be pulled out of the positioning sleeve, so as to prevent the loss of the bolt rod one and the bolt rod two in construction and transportation.

[0030] The above only describes the preferred embodiments of the utility model, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A wire release trolley anti-drop bolt structure comprising a hanging plate and a trolley frame, characterized in that: The utility model also includes an L-shaped fixed block, an H-shaped connecting plate, a door-shaped connecting plate, a bolt rod one and a bolt rod two, the L-shaped fixed block is fixed at the top end of the frame, and the end of the L-shaped fixed block close to the frame is fixedly connected with the bottom of the H-shaped connecting plate through a bolt one, and the end of the L-shaped fixed block far from the frame is hingedly connected with the bottom of the door-shaped connecting plate through a bolt two, the H-shaped connecting plate and the door-shaped connecting plate are respectively provided with a clamping groove one and a clamping groove two matched with the end of the hanging plate, and the H-shaped connecting plate and the door-shaped connecting plate are respectively provided with a plug hole one matched with the bolt rod one and the bolt rod two, the end of the hanging plate is provided with a plug hole two matched with the bolt rod one and the bolt rod two, one side of the H-shaped connecting plate and the door-shaped connecting plate is provided with a positioning sleeve, the positioning sleeve is coaxially arranged with the corresponding plug hole one, the top of the positioning sleeve is provided with a through hole, a limiting rod is fixedly arranged in the through hole, the bolt rod one and the bolt rod two are respectively provided with an axial limiting sliding groove and a ring limiting groove matched with the corresponding limiting rod, one end of the axial limiting sliding groove and the ring limiting groove are throughly arranged, the bolt rod one and the bolt rod two are respectively slidably arranged in the corresponding positioning sleeve, plug hole one and plug hole two, and the bolt rod one and the bolt rod two are further provided with a ring limiting convex matched with the corresponding positioning sleeve, the top end of the door-shaped connecting plate is provided with a pressing part for pressing the hanging plate, when the ring limiting convex is in contact with the positioning sleeve, the limiting rod is located in the ring limiting groove; when the limiting rod is located at the end of the axial limiting sliding groove far from the ring limiting groove, the hanging plate can be separated from the frame.

2. The anti-disengagement bolt structure for a pay-off trolley according to claim 1, characterized in that: The end of the bolt rod one and the bolt rod two far from the positioning sleeve is respectively provided with a bent handle.

3. The anti-disengagement bolt structure for a pay-off trolley according to claim 1, characterized in that: The limiting rod is a rivet or a pin fixedly arranged in the positioning sleeve, and one end of the rivet or the pin located in the positioning sleeve is slidably connected in the ring limiting groove and the axial limiting sliding groove.

4. The anti-disengagement bolt structure for a pay-off trolley according to claim 1, characterized in that: The pressing part includes a screw rod screwed at the top end of the door-shaped connecting plate, and the top end of the screw rod is provided with a ring-shaped handle, when the hanging plate is arranged in the clamping groove two, the screw rod can press the hanging plate in the clamping groove two.

5. The anti-disengagement bolt structure for a pay-off trolley according to claim 1, characterized in that: When the door-shaped connecting plate rotates to the side far from the H-shaped connecting plate, the clamping groove two and the end of the hanging plate do not interfere with each other.

Images