CN214733694U

CN214733694U - Protective derrick car

Info

Publication number: CN214733694U
Application number: CN202023162715.7U
Authority: CN
Inventors: 李建; 邓军安
Original assignee: Xi'an Tianzhuo Energy Technology Co ltd
Current assignee: Xi'an Tianzhuo Energy Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-16
Anticipated expiration: 2030-12-24

Abstract

The application discloses protection type derrick car, oil well machinery field, including automobile body and support body, be equipped with the climbing passageway on the support body, the support body top is equipped with change gear, and change gear peripheral meshing has the lifting chain, support body one side the lifting chain tip is equipped with the lift counter weight, the other end the lifting chain is equipped with the fixed band, the fixed band stretches into the climbing passageway, the support body top in change gear pivot department is equipped with the speed reduction subassembly, in it prevents weighing down the subassembly to be equipped with the assistance in the climbing passageway. Set up the lift chain cooperation change gear, compare the pulley, the speed reduction is controlled more easily, sets up the speed reduction subassembly simultaneously, reduces change gear slew velocity, and it is too fast when avoiding going up and down the counter weight whereabouts, the hoisting device security, the fixed band makes things convenient for fixed staff, and the elevating speed slows down, avoids producing uncomfortable sense because of the speed is too fast, sets up the supplementary further hoisting device security that prevents weighing down the subassembly. The whole device is simple in structure and high in safety.

Description

Protective derrick car

Technical Field

The utility model relates to an oil well machinery.

Background

At present, oil field mechanical equipment such as an oil extraction truck, a back frame truck and the like needs to carry out oil field production operation by a derrick, the headframes of the oil field mechanical equipment such as a workover rig and the like all adopt an integral structural form, the headframes of the oil field mechanical equipment adopt a sectional structural form combining a headframe upper section and a headframe rear support, and the headframe upper section and the headframe rear support need to be connected through a pin shaft during installation.

In the process of oil field production operation, a derrick operator needs to frequently go up and down the derrick in daily work. In order to reduce the labor intensity of a derrick operator and ensure the personal safety of the derrick operator, a power-assisted climbing device and a falling prevention device are often installed on the derrick. However, in the actual use process, the inventor finds that the existing power-assisted climbing device and the existing anti-falling device still have the defects which are difficult to overcome, such as: the conventional power-assisted climbing device usually depends on the falling of a balance weight hung on a safety belt to provide upward power assistance for a derrick operator, and the balance weight hung at the upper end of the derrick has the hidden danger of falling objects; the existing anti-falling device mostly adopts an anti-falling steel wire rope, and the occurrence of dangerous conditions such as rope winding, breakage, kinking and wire falling can occur due to improper use or corrosion pollution of oil stains, acid and alkali and the like in the use process, so that the safety protection of personnel working at high altitude is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the existing anti-falling steel wire rope and the power-assisted climbing device have great potential safety hazards, the protective type well frame vehicle is disclosed, and the safety is high.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a protection formula derrick car, includes automobile body and support body, be equipped with the climbing passageway on the support body, the support body top is equipped with change gear, change gear peripheral meshing has the lifting chain, support body one side the lifting chain tip is equipped with the lift counter weight, the other end the lifting chain is equipped with the fixed band, the fixed band stretches into the climbing passageway, the support body top in change gear pivot department is equipped with the speed reduction subassembly, in it prevents weighing down the subassembly to be equipped with the supplementary in the climbing passageway.

Through above-mentioned scheme, set up the lift chain cooperation change gear, compare the pulley, control the speed reduction more easily, set up the speed reduction subassembly simultaneously, reduce change gear slew velocity, too fast when avoiding going up and down the counter weight whereabouts, the hoisting device security, the convenient fixed staff of fixed band, the elevating speed slows down, avoids producing uncomfortable sense because of the speed is too fast, sets up supplementary preventing that the subassembly further hoists the device security. The whole device is simple in structure and high in safety.

Furthermore, the upper end of the direction-changing gear is provided with an anti-falling baffle, and the lifting chain is arranged between the anti-falling baffle and the direction-changing gear.

Through above-mentioned scheme, set up the anticreep baffle and avoid the lifting chain and change the gear slippage, the hoisting device security.

Furthermore, the speed reduction assembly comprises mounting tables arranged on two sides of the turnabout gear rotating shaft, a speed reduction pad abutted against the turnabout gear rotating shaft is arranged at the top end of the mounting table, and a tensioning unit for urging the speed reduction pad to be abutted against the turnabout gear is additionally arranged.

Through above-mentioned scheme, set up the tensioning unit and impel reduction pad and redirection gear pivot butt, conveniently increase redirection gear rotation friction power, maintain comparatively suitable rotation friction power, slow down redirection gear slew velocity.

Further, the tensioning unit comprises a tensioning spring arranged on the mounting table, and the end of the tensioning spring is connected with the speed reducing pad.

Through above-mentioned scheme, set up the tensioning spring and impel deceleration strip and redirection gear pivot butt, maintain the tensioning force.

Furthermore, an armature extending into the tensioning spring is arranged in the speed reducing pad, an electromagnet plate is arranged in the mounting table, and a control panel for controlling the electromagnet plate to open and close is arranged on the fixing belt.

Through above-mentioned scheme, through the switching of control panel control electromagnetism iron plate to make armature draw close the electromagnetism iron plate, thereby control tensioning spring's tensioning dynamics, conveniently control the slew velocity of redirection gear, conveniently control elevating speed.

Further, supplementary subassembly of preventing weighing down includes that the interval is located installation frame in the climbing passageway, in be equipped with the through wires hole on the installation frame, be equipped with the safety post between the through wires hole, be equipped with on the fixed band with the safety lock catch of safety post joint.

Through above-mentioned scheme, set up installation frame safety post of easy to assemble, the interval sets up the installation frame simultaneously, can constantly lock safety lock catch and safety post in the in-process of climbing, also can lock safety lock catch and safety post by the segmentation when descending simultaneously, and when dropping suddenly, safety lock catch and safety post lock avoid falling rapidly.

Further, the deceleration pad and the tension spring are detachably connected.

Through above-mentioned scheme, the speed reduction pad is connected for dismantling with the tensioning spring, conveniently dismantles and changes the speed reduction pad.

The utility model has the advantages as follows:

1. the utility model discloses simple structure sets up lifting chain cooperation bend gear, compares the pulley, and the speed reduction is controlled more easily, sets up the speed reduction subassembly simultaneously, reduces bend gear slew velocity, and is too fast when avoiding going up and down the counter weight whereabouts, the hoisting device security, the convenient fixed staff of fixed band, the elevating speed slows down, avoids producing uncomfortable because of the speed is too fast and feels, sets up supplementary anti-falling subassembly further hoisting device security. The whole device has simple structure and high safety;

2. set up installation frame easy to assemble safety post, the interval sets up the installation frame simultaneously, can constantly lock safety lock catch and safety post in the in-process of climbing, also can lock safety lock catch and safety post by the segmentation when descending simultaneously, and when dropping suddenly, safety lock catch and safety post lock avoid falling rapidly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

reference numerals: 11. a vehicle body; 12. a frame body; 13. climbing a channel; 14. a bend gear; 15. lifting chains; 16. lifting and balancing weight; 17. fixing belts; 18. a mounting frame; 19. threading holes; 20. a safety post; 21. safe lock catch; 22. an anti-drop baffle plate; 23. an installation table; 24. a deceleration pad; 25. tensioning the spring; 26. an armature; 27. an electromagnet plate; 28. and a control panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1, this embodiment provides a protection type derrick car, including automobile body 11 and support body 12, be provided with climbing passageway 13 on the support body 12, the 12 top of support body is provided with redirection gear 14, redirection gear 14 peripheral meshing has lift chain 15, support body 12 one side lift chain 15 tip is provided with lift counter weight 16, other end lift chain 15 is provided with fixed band 17, fixed band 17 stretches into climbing passageway 13, support body 12 top is provided with the speed reduction subassembly in redirection gear 14 pivot department, be provided with supplementary subassembly of preventing weighing down in climbing passageway 13. Set up lift chain 15 cooperation change gear 14, compare the pulley, control the speed reduction more easily, set up the speed reduction subassembly simultaneously, reduce change gear 14 slew velocity, too fast when avoiding 16 whereabouts of lift counter weight, the hoisting device security, fixed band 17 makes things convenient for fixed staff, and the elevating speed slows down, avoids producing uncomfortable because of the speed is too fast and feels, sets up supplementary preventing weighing down the subassembly and further hoisting device security. The whole device is simple in structure and high in safety.

Referring to fig. 1, the auxiliary anti-falling assembly comprises an installation frame 18 arranged in the climbing channel 13 at intervals, a threading hole 19 is formed in the installation frame 18, a safety post 20 is arranged between the threading holes 19, and a safety lock 21 clamped with the safety post 20 is arranged on the fixing band 17. The installation frame 18 is arranged to facilitate installation of the safety post 20, the installation frame 18 is arranged at intervals, the safety lock catch 21 and the safety post 20 can be locked continuously in the climbing process, the safety lock catch 21 and the safety post 20 can be locked in a segmented mode when descending, and when falling suddenly, the safety lock catch 21 and the safety post 20 are locked to avoid falling rapidly.

Referring to fig. 1, the direction-changing gear 14 is provided at an upper end thereof with an anti-slip stopper 22, and the lift chain 15 is provided between the anti-slip stopper 22 and the direction-changing gear 14. The anti-drop baffle 22 is arranged to prevent the lifting chain 15 from slipping off the redirection gear 14, and the safety of the lifting device is improved. The speed reduction assembly comprises mounting tables 23 arranged on two sides of a rotating shaft of the redirection gear 14, a speed reduction pad 24 abutted against the rotating shaft of the redirection gear 14 is arranged at the top ends of the mounting tables 23, and a tensioning unit for urging the speed reduction pad 24 to be abutted against the redirection gear 14 is additionally arranged. The tensioning unit is arranged to enable the speed reduction pad 24 to be abutted to the rotating shaft of the redirection gear 14, so that the rotating friction force of the redirection gear 14 is increased conveniently, a proper rotating friction force is maintained, and the rotating speed of the redirection gear 14 is reduced.

Referring to fig. 1, the tension unit includes a tension spring 25 provided on the mounting table 23, and an end of the tension spring 25 is connected to the deceleration pad 24. The tension spring 25 is arranged to urge the speed reducing belt to abut against the rotating shaft of the redirection gear 14, and tension is maintained. An armature 26 extending into the tension spring 25 is provided in the speed reducing pad 24, an electromagnet plate 27 is provided in the mount table 23, and a control plate 28 for controlling the opening and closing of the electromagnet plate 27 is provided on the fixing band 17. The deceleration pad 24 is detachably connected to the tension spring 25. The reduction pad 24 is convenient to disassemble and replace, the electromagnet plate 27 is controlled to open and close through the control plate 28, so that the armature 26 is enabled to be close to the electromagnet plate 27, the tensioning force of the tensioning spring 25 is controlled, the rotating speed of the redirection gear 14 is convenient to control, and the lifting speed is convenient to control.

The implementation principle is as follows: the utility model discloses a protection type derrick car, set up lift chain 15 cooperation change gear 14, compare the pulley, control the speed reduction more easily, set up the speed reduction subassembly simultaneously, reduce change gear 14 slew velocity, it is too fast when avoiding going up and down 16 whereabouts of counter weight, hoisting device security, fixed band 17 makes things convenient for fixed staff, the lifting speed slows down, avoid producing uncomfortable sense because of the speed is too fast, set up the supplementary further hoisting device security of preventing weighing down the subassembly, installation frame 18 is easy to assemble safety post 20, the interval sets up installation frame 18 simultaneously, can constantly lock safety lock 21 with safety post 20 in the climbing process, also can lock safety lock 21 with safety post 20 in the segmentation when descending simultaneously, when suddenly weighing down, safety lock 21 locks with safety post 20, avoid falling rapidly. The whole device is simple in structure and high in safety.

Claims

1. The utility model provides a protection formula derrick car, includes automobile body (11) and support body (12), be equipped with climbing passageway (13) on support body (12), its characterized in that, support body (12) top is equipped with redirection gear (14), redirection gear (14) peripheral meshing has lift chain (15), support body (12) one side lift chain (15) tip is equipped with lift counter weight (16), the other end lift chain (15) are equipped with fixed band (17), fixed band (17) stretch into climbing passageway (13), support body (12) top in redirection gear (14) pivot department is equipped with the speed reduction subassembly, in be equipped with supplementary prevent weighing down the subassembly in climbing passageway (13).

2. The protected derrick car as claimed in claim 1, wherein an anti-drop baffle (22) is provided at an upper end of the direction-changing gear (14), and the lifting chain (15) is provided between the anti-drop baffle (22) and the direction-changing gear (14).

3. The protected derrick car as claimed in claim 1, wherein the speed reduction assembly comprises mounting platforms (23) arranged on two sides of the rotating shaft of the direction-changing gear (14), a speed reduction pad (24) abutting against the rotating shaft of the direction-changing gear (14) is arranged at the top end of each mounting platform (23), and a tensioning unit for urging the speed reduction pad (24) to abut against the direction-changing gear (14) is further arranged.

4. A protected derrick car as claimed in claim 3, characterised in that the tensioning unit comprises a tensioning spring (25) arranged on the mounting platform (23), the end of the tensioning spring (25) being connected to the deceleration pad (24).

5. A protective derrick car as claimed in claim 4, characterized in that the deceleration pad (24) is provided with an armature (26) extending into the tension spring (25), the mounting platform (23) is provided with an electromagnet plate (27), and the fixing belt (17) is provided with a control panel (28) for controlling the electromagnet plate (27) to open and close.

6. The protection type derrick car as claimed in claim 1, wherein the auxiliary anti-falling assembly comprises a mounting frame (18) arranged in the climbing channel (13) at intervals, threading holes (19) are formed in the mounting frame (18), safety columns (20) are arranged among the threading holes (19), and safety latches (21) connected with the safety columns (20) in a clamping manner are arranged on the fixing straps (17).

7. A guard-type well-lift truck according to claim 5, characterized in that the deceleration pad (24) is detachably connected to the tension spring (25).