CN211201730U

CN211201730U - Novel cable shaft well head cat ladder

Info

Publication number: CN211201730U
Application number: CN201921624834.4U
Authority: CN
Inventors: 王佳竹; 赵连君; 赵晨
Original assignee: Beijing Honglintai Electrical Engineering Co ltd
Current assignee: Beijing Honglintai Electrical Engineering Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-08-07
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a novel cable shaft well head cat ladder relates to cable shaft construction equipment, and it includes the horizontal stand and with horizontal stand articulated vertical support, the horizontal stand is including dividing the backup pad of arranging both sides in, and the rigid coupling has the connecting rod between two backup pads, vertical support divide establish in two backup pads and rather than two articulated vertical boards, two be provided with the slide of extending and vertical arranging in the pit between the backup pad, the slide includes the slide bar of two vertical settings, and the rigid coupling has a plurality of footboard between two slide bars, and the cover is equipped with the lantern ring on the slide bar, sets up the opening that supplies the footboard to pass on the lantern ring, and the top rigid coupling of slide bar has the stopper of restriction slide bar roll-off lantern ring. The utility model has the advantages that through setting up the slide, make entering into the shaft bottom that the staff is safer, the staff needn't trample the cat ladder in the well, and enter into the shaft bottom.

Description

Novel cable shaft well head cat ladder

Technical Field

The utility model relates to a cable shaft construction equipment especially relates to a novel cable shaft well head cat ladder.

Background

The well head cat ladder is installed in cable shaft, cable tunnel, communication well entry etc. department, can hang the work platform sling, hangs the safety belt, and well head operation about being convenient for can prevent simultaneously that the operation personnel from falling into in the pit.

Chinese utility model patent of No. CN207348777U discloses a novel cable shaft well head cat ladder, reach the vertical support articulated with the horizontal stand including the horizontal stand, the horizontal stand includes the bracing piece of two symmetries of both sides, through the connecting rod rigid coupling between two bracing pieces, the anterior segment processing of bracing piece has curved well head to bend, the well head department of bending is equipped with well head clamping mechanism, vertical support includes two vertical poles, vertical pole bottom is articulated with the bracing piece middle part of homonymy, and the rigid coupling has a plurality of horizontally handrails between two vertical poles, be equipped with the support rib between horizontal stand and the vertical support.

The above prior art solutions have the following drawbacks: the handrail on the well head cat ladder often sets up in the top of well head, and the staff gets into and steps on the cat ladder in the well through the handrail in, and the staff's of being convenient for foot is stepped on the cat ladder in the well, but is in moist environment for a long time in the well, and the surface of cat ladder can grow there is the moss for the cat ladder in the well is comparatively smooth, makes the staff's foot have the danger of slippage cat ladder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel cable shaft well head cat ladder, its advantage is through setting up the slide, makes the safer shaft bottom that enters into of staff, and the staff needn't trample the cat ladder in the well, and enters into the shaft bottom.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a novel cable shaft well head cat ladder, including horizontal stand and with horizontal stand articulated vertical support, the horizontal stand is including dividing the backup pad of arranging both sides in, and the rigid coupling has the connecting rod between two backup pads, vertical support divide establish in two backup pads and rather than two articulated vertical poles, two be provided with the slide of extending to the borehole and vertical arranging between the vertical board, the slide includes the slide bar of two vertical settings, and the rigid coupling has a plurality of footboard between two slide bars, and the cover is equipped with the lantern ring on the slide bar, sets up the opening that supplies the footboard to pass on the lantern ring, and the top rigid coupling of slide bar has the stopper of restriction slide bar roll-off lantern ring.

Through adopting above-mentioned technical scheme, when the staff fixes the horizontal stand of well head cat ladder when the well head, then keep away from the slide bar on the one end of stopper inserts the lantern ring, and slide the slide towards the well head in, the stopper on the slide bar is contradicted to the lantern ring on, because the internal diameter of the lantern ring is less than the diameter of stopper, so when the stopper is contradicted to the lantern ring on, the lantern ring restriction slide continues to slide towards the well, the staff passes through climbing slide business turn over well head, when the staff construction finishes, with the slide along the direction cunning of keeping away from the well head, make it break away from the lantern ring, place the saving, through setting up the slide, make the entering shaft bottom that the staff is safer, the staff needn't trample the cat ladder in the well, and enter.

The utility model discloses further set up to: the vertical plate is fixedly connected with a slide bar with a T-shaped cross section along the vertical direction, and the peripheral surface of the slide bar is provided with a sliding groove for the slide bar to slide and connect.

Through adopting above-mentioned technical scheme, through the cooperation of draw runner with the spout, reduced the length that the slide can produce bending deformation for the range that the slide produced to rock reduces, thereby makes the staff enter into the in-process in the well through the slide, and the stability of slide is better.

The utility model discloses further set up to: one end of the sliding rod, which is far away from the limiting block, is fixedly connected with a conical lug, and the large end face of the lug is fixedly connected to the sliding rod.

Through adopting above-mentioned technical scheme, when the staff inserts two slide bars simultaneously on the lantern ring, can insert the lantern ring with the little terminal surface of lug in advance, through the inclined plane guide on the lug with the slide bar terminal surface just to the internal diameter of lantern ring, make the slide bar insert the lantern ring in, made things convenient for staff's installation slide.

The utility model discloses further set up to: the lantern ring is provided with a clamping assembly used for clamping the sliding rod.

Through adopting above-mentioned technical scheme, work personnel in the pit upwards lifts up the slide, has avoided the slide to slide downwards because of self action of gravity.

The utility model discloses further set up to: the subassembly is established including wearing to establish on the lantern ring rampart and rather than the round pin axle of being connected that slides, has seted up on the global of slide bar and has supplied round pin axle male jack, and the epaxial one end rigid coupling that lies in the lantern ring outside of round pin has the diameter to be greater than the disc of round pin axle end face diameter, and the epaxial cover of round pin is equipped with and is used for ordering about the spring that the round pin axle inserted to the jack, and the rigid coupling has the electric putter that is used for promoting the disc and removes towards the direction of.

Through adopting above-mentioned technical scheme, in-process that upwards lifts up the slide when the staff in the pit, jack on the slide bar is when the round pin axle, because the elastic force of spring, make the round pin axle insert in the jack, and then the restriction slide slides downwards because of self action of gravity, after the staff finishes in the pit construction, the staff is through starting electric putter, electric putter's piston rod stretches out, the tip of electric putter's piston rod is contradicted the disc and is towards the one side of round pin axle, electric putter's piston rod continues to stretch out, promote the disc and remove towards the direction of keeping away from the lantern ring, and then drive the round pin axle and break away from the jack, staff pulling slide, make the slide and slide, climb out the well head through the slide.

The utility model discloses further set up to: the periphery of the sliding rod facing the pedal is fixedly connected with a controller for controlling the electric push rod.

Through adopting above-mentioned technical scheme, the controller that will control electric putter sets up together with the slide, avoids the staff to forget the controller and take on one's body, and can't pull back the condition in the well with the slide again.

The utility model discloses further set up to: and the upper surface of the pedal is fixedly connected with an anti-skid pad.

Through adopting above-mentioned technical scheme, increase the frictional force between staff's foot and the footboard, reduce the possibility of staff's slippage footboard.

To sum up, the utility model discloses a beneficial technological effect does:

1. the slide is arranged, so that the working personnel can enter the well bottom more safely, and the working personnel can enter the well bottom without trampling a ladder stand in the well;

2. the clamping assembly is arranged, so that underground workers lift the slide upwards, and the slide is prevented from sliding downwards under the action of self gravity.

Drawings

Fig. 1 is a schematic structural diagram of the wellhead ladder stand in the embodiment.

Fig. 2 is an exploded view of the collar and slide of the present embodiment.

Fig. 3 is a schematic structural diagram of the card assembly in the embodiment.

Fig. 4 is a schematic structural diagram of the pin shaft in this embodiment.

In the figure, 1, a horizontal bracket; 11. a support plate; 12. a connecting rod; 2. a vertical support; 21. a vertical plate; 22. a collar; 23. opening the gap; 24. a slide bar; 25. a handrail; 3. a clamping mechanism; 4. a slide; 41. a slide bar; 42. a pedal; 43. a limiting block; 44. a chute; 45. a bump; 46. a jack; 47. a controller; 48. a non-slip mat; 5. clamping the assembly; 51. a pin shaft; 52. a disc; 53. a spring; 54. an electric push rod; 55. a protrusion; 6. and supporting ribs.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a novel cable shaft well head cat ladder, including horizontal stand 1 and with the vertical support 2 of 1 rigid coupling of horizontal stand, horizontal stand 1 is including arranging the backup pad 11 of both sides in the branch, the rigid coupling has connecting rod 12 between two backup pads 11, connect into a whole with two backup pads 11 through connecting rod 12, the front end processing of backup pad 11 has curved well head to bend, the well head department of bending is provided with and is used for fixing the clamping mechanism 3 at the well head with horizontal stand 1, vertical support 2 is including dividing establishing on two backup pads 11 and rather than two vertical boards 21 of rigid coupling, the rigid coupling has a plurality of horizontally handrails 25 between two vertical boards 21, be equipped with support rib 6 between horizontal stand 1 and the vertical support 2.

Referring to fig. 1, be provided with between two vertical boards 21 and extend and the vertical slide 4 who arranges in the well, slide 4 includes the slide bar 41 of two vertical settings, the footboard 42 that has the setting of a plurality of level along the length direction rigid coupling of slide bar 41 between two slide bars 41, slide bar 41's top rigid coupling has orbed stopper 43, the diameter of stopper 43 is greater than slide bar 41 top diameter, all overlap on two slide bars 41 and be equipped with the lantern ring 22, the inner peripheral surface of lantern ring 22 pastes with slide bar 41 global mutually, the lantern ring 22 rigid coupling is on vertical board 21, set up the opening 23 that supplies footboard 42 to pass on the lantern ring 22, opening 23 is located two lantern ring 22 one side relatively.

When the horizontal bracket 1 of staff with the well head cat ladder is fixed at the well head, then insert the lantern ring 22 with the one end that stopper 43 was kept away from to slide bar 41, and slide 4 slides towards the well head, stopper 43 on the slide bar 41 conflicts on the lantern ring 22, because the internal diameter of lantern ring 22 is less than the diameter of stopper 43, so when stopper 43 conflicts on the lantern ring 22, lantern ring 22 restricts slide 4 and continues to slide towards the well, the staff passes through climbing slide 4 and enters and goes out the well head, when the staff construction finishes, with slide 4 along the direction roll-off of keeping away from the well head, make it break away from the lantern ring 22, place and preserve.

Referring to fig. 2, when the staff climbs on slide 4, because the staff to slide 4 exert the effort, make slide 4 take place bending deformation, and then make slide 4 produce and rock, in order to make the staff enter into the in-process in the well through slide 4, slide 4 can keep good stability, so there is the draw runner 24 that the cross section is the T shape along vertical direction rigid coupling on the one side of vertical board 21 orientation slide bar 41, offer the spout 44 that supplies draw runner 24 to slide the connection along the length direction of slide bar 41 on the slide bar 41, through the cooperation of draw runner 24 and spout 44, the length that slide 4 can produce bending deformation has been reduced, thereby make the staff enter into the in-process in the well through slide 4, slide 4's stability is better.

Referring to fig. 2, in order to facilitate the installation of the slide 4 by the worker, two sliding rods 41 on the slide 4 can be simultaneously inserted into the collars 22 on the vertical plates 21 on both sides, so that a conical projection 45 is coaxially and fixedly connected to one end of the sliding rod 41 away from the limiting block 43, and the large end face of the projection 45 is fixedly connected to the sliding rod 41, and when the worker simultaneously inserts two sliding rods 41 into the collars 22, the small end face of the projection 45 can be inserted into the collars 22 in advance, and the end face of the sliding rod 41 is aligned with the inner diameter of the collars 22 through the inclined surface guide on the projection 45, so that the sliding rod 41 is inserted into the collars 22.

Referring to fig. 2 and 3, in order for the slide 4 not to interfere with the worker's downhole construction, the worker may lift the slide 4 upward, in order to avoid the slide 4 from sliding downwards under the action of its own gravity, the lantern ring 22 is provided with a clamping assembly 5 for clamping the sliding rod 41, the clamping assembly 5 includes a pin shaft 51 penetrating through the wall of the lantern ring 22 and connected with the wall in a sliding manner, one end of the pin shaft 51, which is located outside the lantern ring 22, is fixedly connected with a disc 52, the diameter of which is greater than the diameter of the end face of the pin shaft 51, the pin shaft 51 is sleeved with a spring 53, which is located outside the lantern ring 22, one end of the spring 53 is fixedly connected to the lantern ring 22, the other end of the spring 53 is fixedly connected to the disc 52, one end of the pin shaft 51, which is located inside the lantern ring 22, is fixedly connected with a hemispherical protrusion 55 (refer to fig. 4), the peripheral surface of the sliding rod 41 is provided with a jack 46 (refer to fig. 1.

When the staff lifts up slide 4 in the pit, jack 46 on slide bar 41 is through round pin axle 51, because spring 53's elastic force, make round pin axle 51 insert in jack 46, and then restriction slide 4 slides downwards because of self action of gravity, after the staff finishes in the pit, the staff is through starting electric putter 54, electric putter 54's piston rod stretches out, the tip of electric putter 54's piston rod is contradicted disc 52 towards the one side of round pin axle 51 on, electric putter 54's piston rod continues to stretch out, promote disc 52 and remove towards the direction of keeping away from lantern ring 22, and then drive round pin axle 51 and break away from jack 46, staff pulling slide 4, make slide 4 slide, climb out the well head through slide 4.

Referring to fig. 2, a controller 47 for controlling the electric push rod 54 is fixedly connected to the peripheral surface of the sliding rod 41 facing the pedal 42, and the controller 47 is close to one end of the round rod far away from the stopper 43. The controller 47 for controlling the electric push rod 54 is arranged together with the slide 4, so that the situation that the operator forgets to bring the controller 47 to the body and cannot pull the slide 4 back into the well is avoided.

Referring to fig. 2, a non-slip pad 48 is fixed to the upper surface of the pedal 42 to increase the friction between the foot of the worker and the pedal 42 and reduce the possibility of the worker slipping off the pedal 42.

The implementation principle of the embodiment is as follows: when a worker needs to install the slide 4 on a wellhead ladder, the small end face of the lug 45 can be inserted into the lantern ring 22 in advance, the end face of the slide 41 is aligned with the inner diameter of the lantern ring 22 through the inclined face guide on the lug 45, the slide 41 is further inserted into the lantern ring 22, the slide 4 slides towards the wellhead until the limiting block 43 on the slide 41 abuts against the lantern ring 22, the lantern ring 22 limits the slide 4 to continuously slide towards the well when the limiting block 43 abuts against the lantern ring 22 due to the fact that the inner diameter of the lantern ring 22 is smaller than the diameter of the limiting block 43, the worker enters the well by climbing the slide 4, when the worker works underground, in order to enable the slide 4 not to interfere with the worker to work, the worker lifts the slide 4 upwards underground, when the jack 46 on the slide 41 passes through the pin 51, the pin 51 is inserted into the jack 46 due to the elastic acting force of the spring 53, and then restriction slide 4 slides downwards because of self action of gravity, after the staff finishes in the pit construction, through controlling controller 47, start electric putter 54, electric putter 54's piston rod stretches out, disc 52 is contradicted towards round pin axle 51's one side to the tip of electric putter 54's piston rod, electric putter 54's piston rod continues to stretch out, promote disc 52 and remove towards the direction of keeping away from lantern ring 22, and then drive round pin axle 51 and break away from jack 46, staff pulling slide 4, make slide 4 slide, climb out the well head through slide 4.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a novel cable shaft well head cat ladder, include horizontal stand (1) and with horizontal stand (1) articulated vertical stand (2), the backup pad (11) of both sides are arranged including dividing in horizontal stand (1), the rigid coupling has connecting rod (12) between two backup pads (11), vertical stand (2) divide establish on two backup pads (11) and rather than two articulated vertical boards (21), its characterized in that: two be provided with between vertical board (21) to extension in the well and vertical slide (4) of arranging, slide (4) are including two slide bars (41) of vertical setting, and the rigid coupling has a plurality of footboard (42) between two slide bars (41), and the cover is equipped with lantern ring (22) on slide bar (41), sets up opening (23) that supply footboard (42) to pass on the lantern ring (22), and the top rigid coupling of slide bar (41) has stopper (43) of restriction slide bar (41) roll-off lantern ring (22).

2. The novel cable well wellhead ladder stand of claim 1, wherein: the vertical plate (21) is fixedly connected with a sliding strip (24) with a T-shaped cross section along the vertical direction, and the circumferential surface of the sliding rod (41) is provided with a sliding groove (44) for the sliding connection of the sliding strip (24).

3. The novel cable well wellhead ladder stand of claim 2, wherein: one end of the sliding rod (41) far away from the limiting block (43) is fixedly connected with a conical lug (45), and the large end face of the lug (45) is fixedly connected to the sliding rod (41).

4. The novel cable well wellhead ladder stand of claim 1, wherein: the lantern ring (22) is provided with a clamping assembly (5) used for clamping the sliding rod (41).

5. The novel cable well wellhead ladder stand of claim 4, wherein: the card is established subassembly (5) and is including wearing to establish round pin axle (51) on lantern ring (22) rampart and rather than sliding connection, offer on the global of slide bar (41) and supply round pin axle (51) male jack (46), the one end rigid coupling that lies in outside the lantern ring (22) on round pin axle (51) has diameter to be greater than round pin axle (51) terminal surface diameter's disc (52), the cover is equipped with on round pin axle (51) and is used for ordering about round pin axle (51) and inserts spring (53) to jack (46), the rigid coupling is equipped with on the outer peripheral face of lantern ring (22) and is used for promoting disc (52) towards electric putter (54) of keeping away from the direction removal of lantern ring (22.

6. The novel cable well wellhead ladder stand of claim 5, wherein: the peripheral surface of the sliding rod (41) facing the pedal (42) is fixedly connected with a controller (47) for controlling an electric push rod (54).

7. The novel cable well wellhead ladder stand of claim 6, wherein: the upper surface of the pedal (42) is fixedly connected with a non-slip mat (48).