Safe lifting combined device of wrecker
By adjusting and using an anti-slip mechanism in the safety lifting combination device for tow trucks, the problems of wheelbase variation and insufficient friction during vehicle lifting are solved, thus improving the stability and safety of lifting.
Patent Information
- Application Number
- CN202520299598.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-24
AI Technical Summary
When a tow truck lifts different vehicles, the wheelbase changes, resulting in unstable lifting torque and insufficient friction, which poses a safety hazard.
A safety lifting combination device for a tow truck was designed, comprising an adjustment mechanism and an anti-slip mechanism. The distance between the forks is adjusted by a servo motor driving a bidirectional threaded rod, and anti-slip is achieved by an electric push rod and a limit block, thereby improving applicability and safety.
It enables automatic adjustment of the fork distance based on the vehicle's wheelbase, enhancing lifting stability and safety, and reducing safety hazards caused by insufficient friction.
Smart Images
Figure CN223950681U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high -speed rescue technical field, concretely is a wrecker safety lifting combination device. BACKGROUND
[0002] The wrecker is a kind of special vehicle specially designed, is equipped with hoisting, dragging, hoisting etc.
[0003] The wrecker is many kinds, can be divided into transport vehicle and lifting vehicle etc., lifting vehicle mostly uses fork truck, when fork truck is involved in highway wrecker, due to the different vehicle types, in turn make the vehicle wheelbase different, when fork truck lifts vehicle, it is possible to make lifting torque change, in turn influence lifting safety, in addition, when vehicle is on fork truck arm, it is possible due to the friction between vehicle and fork truck arm is insufficient, in turn influence lifting action, produce security risk. SUMMARY
[0004] The utility model discloses a wrecker safety lifting combination device to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a wrecker safety lifting combination device, including vehicle connecting piece, the surface one side of vehicle connecting piece is fixed with fork truck guide rail, the surface of fork truck guide rail is slidably provided with lifting piece body, the surface of lifting piece body is fixed with cross piece, the surface one side of cross piece is fixed with shell, the inner chamber of shell is provided with the adjusting mechanism for adjusting, the both sides of adjusting mechanism surface are all provided with fork rod, the surface of fork rod is provided with antiskid mechanism.
[0006] Preferably, the adjusting mechanism includes a motor fixed in the inner chamber of the shell and a sliding groove opened in the inner chamber of the cross piece, the output shaft of the motor is fixed with a bidirectional threaded rod, the both sides of the surface of the bidirectional threaded rod are engaged with engagement blocks, the bidirectional threaded rod rotates in the inner chamber of the cross piece, and the both sides of the fork rod are fixed to the surface of the both sides of the engagement blocks.
[0007] Preferably, the motor is a servo motor, and a band brake device is built-in.
[0008] Preferably, the antiskid mechanism includes an action groove opened in one side of the inner chamber of the fork rod, the surface of the action groove is fixed with an electric push rod, the other end of the electric push rod is fixed with a driving push block, and the surface of the driving push block is slidably provided with a limiting block.
[0009] Preferably, the two sides of the limiting block surface are fixed with limiting sliding blocks, the inner cavity of the limiting sliding block is slidably provided with a limiting sliding rod, and the limiting sliding rod is fixed to the surface of the action groove.
[0010] Preferably, the surface of the limiting sliding rod is sleeved with a spring, one end of the spring is fixed to the surface of the action groove, and the other end of the spring is fixed to the limiting sliding block.
[0011] Compared with the prior art, the utility model has the beneficial effects as follows:
[0012] The utility model discloses a lifting device for highway vehicle, which comprises a vehicle connecting piece, a forklift guide rail, a lifting piece body, a horizontal block, an outer shell, an adjusting mechanism, a fork rod and an antiskid mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic view in the utility model;
[0014] Figure 2 It is a three-dimensional structure schematic view in the utility model;
[0015] Figure 3 It is a three-dimensional structure schematic view in the utility model;
[0016] Figure 4 It is a three-dimensional structure schematic view in the utility model.
[0017] In the drawing: 1, vehicle connecting piece;2, forklift guide rail;3, lifting piece body;4, horizontal block;5, outer shell;6, adjusting mechanism;61, motor;62, two-way threaded rod;63, meshing block;64, sliding groove;7, fork rod;8, antiskid mechanism;81, electric push rod;82, driving push block;83, limiting block;84, action groove;9, limiting sliding rod;10, limiting sliding block;11, spring. DETAILED DESCRIPTION
[0018] 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.
[0019] Please refer to Figures 1-4As shown, a kind of wrecker safety lifting combination device, including vehicle connecting piece 1, the surface of vehicle connecting piece 1 one side is fixed with fork truck guide rail 2, the surface of fork truck guide rail 2 is slidably provided with lifting member body 3, the surface of lifting member body 3 is fixed with cross block 4, the surface of cross block 4 one side is fixed with shell 5, the inner cavity of shell 5 is provided with adjusting mechanism 6 for adjusting, the surface of adjusting mechanism 6 is provided with fork lever 7 on both sides, the surface of fork lever 7 is provided with antiskid mechanism 8, the utility model discloses when the wrecker of highway vehicle is carried out, staff can use adjusting mechanism 6 according to the axle distance of accident vehicle, and then under the action of adjusting mechanism 6, the distance between the two fork levers 7 is adjusted, the applicability of the device is improved, in addition, the vehicle after lifting can be protected under the action of antiskid mechanism 8, and then the safety and practicality of the device are improved.
[0020] Adjusting mechanism 6 includes motor 61 fixed in the inner cavity of shell 5 and chute 64 opened in the inner cavity of cross block 4, the output shaft of motor 61 is fixed with bidirectional threaded rod 62, the surface of bidirectional threaded rod 62 is engaged with engaging block 63 on both sides, bidirectional threaded rod 62 rotates in the inner cavity of cross block 4, both sides fork lever 7 is fixed on the surface of both sides engaging block 63, in the embodiment, by the setting of motor 61, bidirectional threaded rod 62, engaging block 63 and chute 64, under the action of motor 61, bidirectional threaded rod 62 is rotated, and then both sides engaging block 63 and bidirectional threaded rod 62 are engaged, so that both sides fork lever 7 is adjusted in relative position, suitable for vehicles with different axle distances.
[0021] Motor 61 is a servo motor, and is provided with a band brake device, in the embodiment, by the setting, the accuracy of motor 61 rotation is improved, and under the action of the band brake device, bidirectional threaded rod 62 and engaging block 63 can be stably stopped at the specified position.
[0022] Antiskid mechanism 8 includes action groove 84 opened in one side of the inner cavity of fork lever 7, electric push rod 81 is fixed on the surface of action groove 84, another end of electric push rod 81 is fixed with driving push block 82, driving push block 82 is slidably provided with limit block 83, in the embodiment, by the setting of electric push rod 81, driving push block 82, limit block 83 and action groove 84, under the action of electric push rod 81, driving push block 82 moves, so that driving push block 82 and limit block 83 are attached, and then under the action of the shape of driving push block 82 and limit block 83, limit block 83 is extended, the effect of limiting the surface of fork lever 7 is achieved, and the safety of the device during use is improved.
[0023] The surface of the limiting block 83 is fixed with a limiting sliding block 10, the inner cavity of the limiting sliding block 10 is slidably provided with a limiting sliding rod 9, and the limiting sliding rod 9 is fixed to the surface of the action groove 84. In the embodiment, when the limiting block 83 moves, the stability of the limiting block 83 can be improved under the action of the limiting sliding rod 9 and the limiting sliding block 10.
[0024] The surface of the limiting sliding rod 9 is sleeved with a spring 11, one end of the spring 11 is fixed to the surface of the action groove 84, and the other end of the spring 11 is fixed to the limiting sliding block 10. In the embodiment, the spring 11 provides a pulling force for the reset of the limiting block 83, and improves the practicability of the device.
[0025] Working principle: when the highway rescue is carried out, part of the fault vehicle needs to be transported, at this time the vehicle connecting piece 1 fixed to the surface of the forklift can be lifted under the action of the forklift, the lifting piece body 3 and the cross block 4 drive the fork rod 7 to lift, and then the vehicle on the surface of the fork rod 7 can be transported, in addition, because the vehicle wheelbase is different, the staff can use the adjusting mechanism 6 according to the vehicle wheelbase, under the action of the motor 61, the bidirectional screw rod 62 rotates, and then the two side engaging blocks 63 can drive the fork rod 7 to move, so that the distance between the two fork rods 7 is suitable for vehicles with different wheelbases. After the fork rod 7 lifts the vehicle, the staff can use the anti-skid mechanism 8, and then under the action of the electric push rod 81, the driving push block 82 and the limiting block 83 are attached, and then under the action of the movement of the driving push block 82, the limiting block 83 protrudes relative to the fork rod 7, so as to limit the articles on the surface of the fork rod 7, and improve the safety of the forklift during the obstacle removal.
[0026] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A safety lifting assembly for a tow truck, comprising a vehicle connector (1), characterized in that: A forklift guide rail (2) is fixed on one side of the surface of the vehicle connector (1). A lifting body (3) is slidably arranged on the surface of the forklift guide rail (2). A cross block (4) is fixed on the surface of the lifting body (3). A housing (5) is fixed on one side of the surface of the cross block (4). An adjustment mechanism (6) for adjustment is provided in the inner cavity of the housing (5). Fork rods (7) are provided on both sides of the surface of the adjustment mechanism (6). An anti-slip mechanism (8) is provided on the surface of the fork rods (7).
2. The safety lifting assembly for a tow truck according to claim 1, characterized in that: The adjustment mechanism (6) includes a motor (61) fixed in the inner cavity of the outer shell (5) and a slide groove (64) opened in the inner cavity of the cross block (4). The output shaft of the motor (61) is fixed with a bidirectional threaded rod (62). Both sides of the surface of the bidirectional threaded rod (62) are engaged with engagement blocks (63). The bidirectional threaded rod (62) rotates in the inner cavity of the cross block (4). The forks (7) on both sides are fixed to the surface of the engagement blocks (63) on both sides.
3. The safety lifting assembly for a tow truck according to claim 2, characterized in that: The motor (61) is a servo motor and has a built-in brake device.
4. The safety lifting assembly for a tow truck according to claim 1, characterized in that: The anti-slip mechanism (8) includes an action groove (84) opened on one side of the inner cavity of the fork (7). An electric push rod (81) is fixed on the surface of the action groove (84). An active push block (82) is fixed on the other end of the electric push rod (81). A limit block (83) is slidably provided on the surface of the active push block (82).
5. A safety lifting assembly for a tow truck according to claim 4, characterized in that: Limiting sliders (10) are fixed on both sides of the surface of the limiting block (83). A limiting slide rod (9) is slidably provided in the inner cavity of the limiting slider (10). The limiting slide rod (9) is fixed to the surface of the action groove (84).
6. A safety lifting assembly for a tow truck according to claim 5, characterized in that: A spring (11) is fitted on the surface of the limiting slide bar (9). One end of the spring (11) is fixed to the surface of the action groove (84), and the other end of the spring (11) is fixed to the limiting slider (10).