Brake self-locking protective device for maintenance of belt pumping unit
By utilizing the cooperation of structures such as clamping plates, clamping blocks, pushing blocks, and worm gears in the protective mechanism, the problem of unstable braking in belt-driven oil pumping units is solved, ensuring the stability and safety of the equipment during maintenance.
Patent Information
- Application Number
- CN202520948138.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-14
AI Technical Summary
The existing self-locking protection device for belt-driven oil pumping units is not very stable and is prone to loss of control or slippage during maintenance and repair, increasing the risk of falling, damage and safety accidents.
The system employs a protective mechanism, which includes a locking plate, locking block, pushing block, rotating rod, worm gear, and other structures that work together. Braking is achieved by inserting the locking block into the brake disc slot, and the worm gear provides self-locking. Combined with L-shaped rods, connecting blocks, square slots, and fixing rods, the system provides limiting and ensures the stability of the brake disc.
This provides stable protection for the belt-driven oil pump, preventing it from falling and getting damaged, and improving the stable operation and safety of the equipment.
Smart Images

Figure CN223953131U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of belt pumping unit self locking protection, specifically to a brake self locking protection device for belt pumping unit maintenance. BACKGROUND
[0002] The belt pumping unit is a kind of pumping equipment using belt transmission, mainly used for extracting oil and gas in underground oil layer. In its maintenance, brake self locking protection plays a key role, can be automatically locked when the equipment stops working, prevent sudden sliding or accidental movement, ensure the operation safety. In addition, it can also provide stable locking effect when emergency shutdown, prevent mechanical rebound or damage, effectively prolong the service life of equipment and guarantee production safety.
[0003] However, the existing self locking protection stability is not high, during maintenance, the pumping unit is easy to lose control or suddenly slide, increase the risk of falling, damage or safety accident, seriously affect the stable operation of equipment and operation safety, to solve the above problems, the inventor proposes a brake self locking protection device for belt pumping unit maintenance to solve the above problems. UTILITY MODEL CONTENTS
[0004] In order to solve the problem that the brake of pumping unit is not stable enough, the utility model aims at providing a brake self locking protection device for belt pumping unit maintenance.
[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a brake self locking protection device for belt pumping unit maintenance, including protection mechanism, the protection mechanism includes base and brake disc, the base top is fixedly provided with support frame, the support frame is rotationally provided with shaft in, the shaft is fixedly provided with clamping plate outside, the clamping plate end is fixedly provided with clamping block outside, the support frame is rotationally provided with rotating rod, the rotating rod is fixedly provided with push column outside, the clamping block is movably inserted outside brake disc, the clamping plate outside is provided with arc slot, the push column is movably inserted outside arc slot, the clamping plate outside is fixedly provided with the arc-shaped rod that is symmetrically distributed, the support frame inner wall is fixedly provided with fixed plate, two arc-shaped rods are movably inserted in fixed plate, the support frame outside is fixedly provided with fixed frame, the fixed frame is rotationally inserted with worm in, the rotating rod outside is fixedly provided with worm wheel, the worm and worm wheel are mutually engaged.
[0006] Preferably, two L-shaped rods are movably inserted in the support frame, the L-shaped rods are fixedly provided with connecting blocks at the ends, the connecting blocks are provided with square slots inside, the brake disc outside is fixedly provided with fixed rods in annular array distribution, wherein two fixed rods are respectively inserted outside two square slots.
[0007] Preferably, mounting holes in array are arranged in the base, a damping sleeve is arranged in the support frame, the L-shaped rod is movably inserted into the damping sleeve, and the symmetrically arranged receiving rods are fixed outside the support frame.
[0008] Preferably, the clamping blocks are movably inserted outside the brake disc, the compression springs are arranged outside the arc-shaped rods, the motor is fixed at the top end of the fixed frame, and the output shaft end of the motor penetrates through the fixed frame and is fixedly connected with the worm.
[0009] Compared with the prior art, the utility model has the advantages that:
[0010] 1、The utility model discloses through set up card board, clamping block, push -block and rotation rod etc. Structure mutual cooperation, push -block push -block inserts into the brake disc card slot, so that the brake disc is braked, simultaneously through worm gear self -locking, thereby can to pumping unit carry out stable protection, avoid falling phenomenon such as happening.
[0011] 2、The utility model discloses through set up L -shaped rod, connecting block, square groove and fixed rod etc. Structure mutual cooperation, can be through connecting block and square groove and insert in the fixed rod outside, can be positioned to the brake disc, avoids its rotation, realizes multiple protection to the brake disc. DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0013] Figure 1 It is the overall structure schematic diagram of the utility model.
[0014] Figure 2 It is the overall structure side schematic diagram of the utility model.
[0015] Figure 3 It is the protection mechanism structure schematic diagram of the utility model.
[0016] Figure 4 It is the utility model Figure 3 The enlarged structure schematic diagram in A of the utility model.
[0017] Figure 5 It is the card board and its connecting structure schematic diagram of the utility model.
[0018] Figure 6 It is the utility model Figure 5 The enlarged structure schematic diagram in B of the utility model.
[0019] Figure 7 Figure is the cross section schematic view of the support frame and the connecting structure of the utility model.
[0020] In the drawing: 1, protection mechanism; 11, base; 12, brake disc; 13, mounting hole; 2, support frame; 21, rotating shaft; 22, clamping plate; 23, clamping block; 24, rotating rod; 25, push column; 26, arc-shaped slot; 27, arc-shaped rod; 28, fixed plate; 29, compression spring; 3, fixed frame; 31, worm; 32, worm gear; 33, motor; 4, L-shaped rod; 41, connecting block; 42, square slot; 43, fixed rod; 44, damping sleeve; 45, storage rod; 5, belt pulley mechanism. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] As Figures 1-7 shown, the utility model provides a kind of brake self-locking protection device for maintenance of belt pumping unit, including protection mechanism 1, protection mechanism 1 can brake to pumping unit, protection mechanism 1 includes base 11 and brake disc 12, brake disc 12 is connected with the belt pulley of pumping unit, by brake disc 12 is braked, can brake to belt pulley mechanism 5, and then complete brake, base 11 top end is fixedly provided with support frame 2, rotating shaft 21 is rotationally arranged in support frame 2, clamping plate 22 is fixedly arranged on the outside of rotating shaft 21, clamping plate 22 can rotate on the outside of rotating shaft 21, clamping block 23 is fixedly arranged on the outside of end portion of clamping plate 22, by clamping block 23 is inserted into the clamping groove of the outside of brake disc 12, brake disc 12 can be braked, rotating rod 24 is rotationally arranged in support frame 2, push column 25 is fixedly arranged on the outside of rotating rod 24, rotating rod 24 is installed in the non-circular center position of push column 25, so that push column 25 can push clamping plate 22 swing, clamping block 23 is movably inserted in the outside of brake disc 12, arc-shaped slot 26 is formed in the outside of clamping plate 22, push column 25 is movably inserted in the outside of arc-shaped slot 26, symmetrically distributed arc-shaped rod 27 is fixedly arranged on the outside of clamping plate 22, fixed plate 28 is fixedly arranged on the inner wall of support frame 2, two arc-shaped rods 27 are movably inserted in fixed plate 28, fixed frame 3 is fixedly arranged on the outside of support frame 2, worm 31 is rotationally inserted in fixed frame 3, worm gear 32 is fixedly arranged on the outside of rotating rod 24, worm 31 and worm gear 32 are engaged with each other, by worm 31 worm gear 32 self-locking, the stability of device can be improved.
[0023] Two L-shaped rods 4 are movably inserted in the support frame 2, and the end of the L-shaped rod 4 is fixedly provided with a connecting block 41, and the connecting block 41 is provided with a square groove 42, and the outer side of the brake disc 12 is fixedly provided with a plurality of fixed rods 43 arranged in an annular array, and two fixed rods 43 are respectively inserted outside the two square grooves 42.
[0024] By adopting the above technical scheme, the brake disc 12 can be limited by the connecting block 41 and the square groove 42 inserted outside the fixed rod 43, and the rotation of the brake disc 12 is avoided, and multiple protection of the brake disc 12 is realized.
[0025] The base 11 is provided with a plurality of mounting holes 13 arranged in an array.
[0026] By adopting the above technical scheme, the device can be conveniently connected and installed through the mounting hole 13.
[0027] The support frame 2 is provided with a damping sleeve 44, and the L-shaped rod 4 is movably inserted in the damping sleeve 44.
[0028] By adopting the above technical scheme, the damping sleeve 44 can increase the stability of the L-shaped rod 4, and the L-shaped rod 4 will not move horizontally and swing under the condition of no force.
[0029] The support frame 2 is fixedly provided with a plurality of receiving rods 45 arranged in a symmetrical manner.
[0030] By adopting the above technical scheme, the square groove 42 is inserted into the receiving rod 45, and the receiving of the L-shaped rod 4 can be completed.
[0031] The clamping block 23 is movably inserted outside the brake disc 12.
[0032] By adopting the above technical scheme, the brake disc 12 can be braked by inserting the clamping block 23 into the brake disc 12.
[0033] The outer side of the two arc-shaped rods 27 is provided with a compression spring 29.
[0034] By adopting the above technical scheme, the clamping plate 22 can always be attached to the outer side of the push column 25 by the compression spring 29.
[0035] The fixed frame 3 is fixedly provided with a motor 33 at the top end, and the output shaft end of the motor 33 is inserted through the fixed frame 3 and fixedly connected with the worm 31.
[0036] By adopting the above technical scheme, the output shaft end of the motor 33 rotates to drive the worm 31 to rotate, which is used for power output.
[0037] Working principle: first brake disc 12 and pulley mechanism 5 are connected, pulley mechanism 5 drives connecting rod and sucker rod up and down movement, so as to realize the extraction of oil well. The electric motor generates electric energy transmission to the belt, drive pulley rotation, make the connection of sucker rod repeatedly up and down movement, drive the oil in the oil layer to rise, then through pipeline transportation to the ground, when the brake needs to be overhauled, first stop the brake of pulley mechanism 5, then start motor 33, so that motor 33 starts to work, the output shaft end of motor 33 rotates and drives worm 31 to rotate, worm 31 rotates and drives the meshing worm gear 32 to rotate, worm gear 32 rotates and drives rotating rod 24 to rotate, rotating rod 24 rotates and drives push column 25 to rotate, through push column 25 rotates outside the arc-shaped groove 26, when the farthest side of the center of push column 25 gradually fits with the clamping plate 22, it can drive the clamping plate 22 to swing on the rotating shaft 21, so that the clamping plate 22 swings and drives the clamping block 23 to swing, so that the clamping block 23 is inserted into the clamping groove outside the brake disc 12, so as to realize the brake of brake disc 12, and then the brake of pulley mechanism 5 can be realized, and the sucker rod is protected stably by the self-locking of worm gear 32 and worm 31, so as to avoid falling and other phenomena, under the action of compression spring 29 and arc-shaped rod 27, the clamping plate 22 is always fitted with the outside of push column 25;
[0038] Then move L-shaped rod 4 outward, then make the square slot 42 in connecting block 41 inserted outside the fixed rod 43, then move L-shaped rod 4 in the damping sleeve 44 on support frame 2, so that the fixed rod 43 is inserted in the square slot 42, so as to reinforce the brake disc 12, more stable in maintenance process, avoid falling and other phenomena.
[0039] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A belt pumping unit maintenance brake self-locking protection device, comprising a protection mechanism (1), characterized in that: The protection mechanism (1) includes a base (11) and a brake disc (12), the top of the base (11) is fixedly provided with a support frame (2), a rotating shaft (21) is rotatably arranged in the support frame (2), a clamping plate (22) is fixedly arranged on the outer side of the rotating shaft (21), a clamping block (23) is fixedly arranged on the outer side of the end of the clamping plate (22), a rotating rod (24) is rotatably arranged in the support frame (2), and a pushing column (25) is fixedly arranged on the outer side of the rotating rod (24). The clamping block (23) is movably inserted into the outer side of the brake disc (12), an arc-shaped groove (26) is formed in the outer side of the clamping plate (22), the pushing column (25) is movably inserted into the outer side of the arc-shaped groove (26), the outer side of the clamping plate (22) is fixedly provided with arc-shaped rods (27) arranged in a symmetrical manner, a fixed plate (28) is fixedly arranged on the inner wall of the support frame (2), the two arc-shaped rods (27) are movably inserted into the fixed plate (28), a fixed frame (3) is fixedly arranged on the outer side of the support frame (2), a worm (31) is rotatably inserted into the fixed frame (3), a worm wheel (32) is fixedly arranged on the outer side of the rotating rod (24), and the worm (31) and the worm wheel (32) are in meshing connection.
2. A brake lockout guard for belt oil pump unit maintenance as claimed in claim 1, wherein, Two L-shaped rods (4) are movably inserted into the support frame (2), the end of the L-shaped rod (4) is fixedly provided with a connecting block (41), a square groove (42) is formed in the connecting block (41), and the outer side of the brake disc (12) is fixedly provided with fixed rods (43) arranged in a ring array, wherein two of the fixed rods (43) are respectively inserted into the outer side of the two square grooves (42).
3. A belt oil pumping unit maintenance brake self-locking guard as claimed in claim 1, characterized in that, The base (11) is provided with mounting holes (13) arranged in an array.
4. A belt oil pumping unit maintenance brake self-locking guard as claimed in claim 2, characterized in that, A damping sleeve (44) is sleeved on the support frame (2), and the L-shaped rod (4) is movably inserted into the damping sleeve (44).
5. A belt oil pumping unit maintenance brake self-locking guard as defined in claim 1 wherein, The outer side of the support frame (2) is fixedly provided with accommodation rods (45) arranged in a symmetrical manner.
6. A belt oil pump maintenance brake self-locking guard as claimed in claim 1, characterized in that, The clamping block (23) is movably inserted into the outer side of the brake disc (12).
7. A belt oil pump maintenance brake self-locking protection device according to claim 1, characterized in that, Compression springs (29) are sleeved on the outer sides of the two arc-shaped rods (27).
8. A belt oil pumping unit maintenance brake self-locking guard as defined in claim 1 wherein, A motor (33) is fixedly arranged at the top of the fixed frame (3), and the output shaft end of the motor (33) penetrates and is fixedly connected with the worm (31) by being inserted into the fixed frame (3).