Electric hoist bridge crane
By adopting a design in electric hoist bridge cranes that adapts left and right rollers to vertical rails, and transverse rails and drive wheels to transverse rails, combined with polyurethane buffers, the wear problem caused by dust and debris is solved, achieving more stable and smoother rolling.
Patent Information
- Application Number
- CN202520133032.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-20
AI Technical Summary
During use, existing electric hoist bridge cranes are prone to dust and debris entering due to the rolling contact between the rollers and the guide groove, causing wear, affecting service life and rolling stability.
The system uses left and right rollers adapted to the vertical rails, and the transverse rails and drive wheels adapted to the transverse rails. Combined with polyurethane dampers, it reduces friction and wear, and improves rolling stability and smoothness.
It effectively reduces wear, ensures service life, improves rolling stability and smoothness, and provides additional cushioning through polyurethane dampers.
Smart Images
Figure CN223920912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hoisting equipment field technology especially is a kind of electric hoist bridge crane. BACKGROUND
[0002] Crane belongs to one kind of hoisting machinery, is a kind of mechanical intermission movement, and one working cycle includes: taking device is lifted from the object taking place and then moves horizontally to designated place and drops object, then carries out reverse movement, so that taking device returns to original position, to carry out next cycle. Crane is the auxiliary equipment frequently used when cargo is handled, and according to the environment of site, the crane used is also different, and electric hoist bridge crane is a kind of hoisting device frequently used when vertical direction lifting operation is carried out.
[0003] The existing electric hoist bridge crane usually includes four columns, the upper end of the two columns on both sides is fixed with the side beam arranged horizontally, the cross beam is vertically distributed between the two side beams, the driving device for driving the cross beam to parallelly displace between the two side beams is arranged between the cross beam and the corresponding side beam, the electric hoist is arranged on the cross beam, the power device for enabling the electric hoist to reciprocally displace along the length direction of the cross beam is arranged between the electric hoist and the cross beam, the power device mainly reciprocally displaces the electric hoist along the length direction of the cross beam through the rolling cooperation of the roller and the guide groove of the corresponding cross beam, which can realize the reciprocating movement of the electric hoist, but since the rolling cooperation of the roller and the guide groove is used to realize the reciprocating movement, dust and sundries are easy to fall into the guide groove during use, so that the roller will generate excessive friction with the sundries or excessive dust during rolling, which not only causes excessive wear and affects service life, but also affects the stability and smoothness of rolling.
[0004] Therefore, it is necessary to study a new technology to solve the above problems. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model mainly aims at the defects of prior art, and provides an electric hoist bridge crane, which reduces wear, guarantees service life and improves the stability and smoothness of rolling.
[0006] To achieve the above object, the utility model adopts the following technical scheme:
[0007] An electric hoist bridge crane comprises a support frame and a cross beam frame arranged on the upper end of the support frame, the cross beam frame is provided with a first driving mechanism for driving the cross beam frame to move vertically on the support frame, the cross beam frame is provided with a moving seat and a second driving mechanism mounted on the moving seat, the second driving mechanism drives the moving seat to move horizontally on the cross beam frame, and the moving seat is mounted with an electric hoist.
[0008] The support frame comprises left and right support frames arranged symmetrically in terms of left-right spacing, the upper end of the left support frame is provided with a left support beam extending vertically, the upper end of the right support frame is provided with a right support beam extending vertically, the upper end of the left support beam is provided with a left vertical rail extending vertically, and the upper end of the right support beam is provided with a right vertical rail extending vertically.
[0009] The lower end of the beam frame is respectively provided with a left roller and a right roller on the left and right sides, the left roller and the right roller are respectively adapted to the left vertical rail and the right vertical rail, the upper end of the beam frame is provided with a transverse rail extending transversely, the moving seat is provided with a transmission wheel adapted to the transverse rail, and the upper side of the transverse rail is provided with a polyurethane buffer at both ends.
[0010] As a preferred solution, the first driving mechanism comprises a left first driving motor and a right first driving motor, and the left first driving motor and the right first driving motor are respectively installed at the left and right ends of the front side of the beam frame.
[0011] As a preferred solution, the left roller comprises a left driving wheel and a left driven wheel, the left driving wheel and the left driven wheel are respectively installed at the front and rear ends of the left side of the lower end of the beam frame, and the left first driving motor drives the left driving wheel to rotate.
[0012] The right roller comprises a right driving wheel and a right driven wheel, the right driving wheel and the right driven wheel are respectively installed at the front and rear ends of the right side of the lower end of the beam frame, and the right first driving motor drives the right driving wheel to rotate.
[0013] As a preferred solution, the second driving mechanism comprises a second driving motor, the transmission wheel comprises a driving transmission wheel and a driven transmission wheel, the driven transmission wheel and the driving transmission wheel are respectively installed at the front and rear sides of the moving seat, and the second driving motor drives the driving transmission wheel to rotate.
[0014] As a preferred solution, the transverse rail comprises a front transverse rail and a rear transverse rail arranged symmetrically in terms of front-rear spacing, and the driven transmission wheel and the driving transmission wheel are respectively adapted to the front transverse rail and the rear transverse rail.
[0015] As a preferred solution, the polyurethane buffer is installed on the upper end of the beam frame through a mounting frame.
[0016] As a preferred scheme, the cross beam frame comprises a front cross beam, a rear cross beam, a left cross beam and a right cross beam, the left cross beam and the right cross beam extend in the vertical direction, the front cross beam and the rear cross beam extend in the horizontal direction, the left cross beam and the right cross beam are symmetrically arranged in the left-right direction, the front cross beam and the rear cross beam are arranged in the front-rear direction, and the left ends of the front cross beam and the rear cross beam are respectively connected to the front and rear sides of the upper end of the left cross beam, and the right ends of the front cross beam and the rear cross beam are respectively connected to the front and rear sides of the upper end of the right cross beam.
[0017] As a preferred scheme, the left side roller and the right side roller are respectively mounted on the left cross beam and the right cross beam, the front cross beam and the rear cross beam are provided with the horizontal steel rails, the front and rear sides of the moving seat are provided with the transmission wheels, and the electric hoist is located in the interval between the front cross beam and the rear cross beam.
[0018] The utility model discloses a cross beam frame for the electric hoist, and the cross beam frame comprises a left side support beam, a right side support beam and a cross beam frame, the left side support beam and the right side support beam are respectively provided with a left side vertical steel rail and a right side vertical steel rail, the cross beam frame is provided with a left side roller and a right side roller on the left and right sides of the lower end, the left side roller and the right side roller are respectively adapted to the left side vertical steel rail and the right side vertical steel rail, the cross beam frame is provided with a horizontal steel rail extending in the horizontal direction on the upper end, and the moving seat is provided with a transmission wheel, and the transmission wheel is adapted to the horizontal steel rail.
[0019] In order to more clearly set forth the structural features, technical means and the concrete purposes and functions reached by the utility model, the utility model will be further described in detail below by combining with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is the top view of the embodiment of the utility model;
[0021] Figure 2 is the front view of the embodiment of the utility model;
[0022] Figure 3 is the front view of the embodiment of the utility model after removing the support frame;
[0023] Figure 4 is the local structure schematic view of the embodiment of the utility model;
[0024] Figure 5 It is the application scene schematic diagram of the embodiment of the utility model.
[0025] The figure mark explanation:
[0026] 10, crossbeam frame 11, front crossbeam
[0027] 12, rear crossbeam 13, left crossbeam
[0028] 14, right crossbeam 20, moving seat
[0029] 30, electric hoist 40, left side support frame
[0030] 50, right side support frame 60, left side support beam
[0031] 70, right side support beam 80, left side vertical steel rail
[0032] 90, right side vertical steel rail 101, polyurethane buffer
[0033] 102, left side first drive motor 103, right side first drive motor
[0034] 104, left side driving wheel 105, left side driven wheel
[0035] 106, right side driving wheel 107, right side driven wheel
[0036] 108, second drive motor 109, driving transmission wheel
[0037] 201, driven transmission wheel 202, front side transverse steel rail
[0038] 203, rear side transverse steel rail 204, mounting frame
[0039] 301, fixed frame 302, house
[0040] 303, controller. DETAILED DESCRIPTION
[0041] Please refer to Figures 1 to 5 It shows the specific structure of the embodiment of the utility model.
[0042] A kind of electric hoist bridge crane, including support frame and the crossbeam frame 10 being set to the upper end of support frame, first drive mechanism is provided on the crossbeam frame 10, and the first drive mechanism drives the crossbeam frame 10 to move in vertical direction on support frame, moving seat 20 and second drive mechanism installed on moving seat 20 are provided on the crossbeam frame 10, the second drive mechanism drives moving seat 20 to move in lateral direction on crossbeam frame 10, electric hoist 30 is installed on the moving seat 20.
[0043] Specifically, in the embodiment, the support frame comprises left and right symmetrical left support frame 40 and right support frame 50, the upper end of the left support frame 40 is provided with a left support beam 60 extending vertically, the upper end of the right support frame 50 is provided with a right support beam 70 extending vertically, the upper end of the left support beam 60 is provided with a left vertical rail 80 extending vertically, the upper end of the right support beam 70 is provided with a right vertical rail 90 extending vertically; the left and right sides of the lower end of the beam frame 10 are respectively provided with a left roller and a right roller, the left roller and the right roller are respectively adapted to the left vertical rail 80 and the right vertical rail 90; the upper end of the beam frame 10 is provided with a transverse rail extending transversely, the moving seat 20 is provided with a transmission wheel, the transmission wheel is adapted to the transverse rail, so that the roller and the transmission wheel are both rolling matched to the rail, so that in the use process, the sundries are not easy to fall on the rail, and the phenomenon of excessive friction between the sundries or excessive dust in the rolling process is not generated, thereby reducing the wear, ensuring the service life, and improving the stability and smoothness of the rolling.
[0044] The first driving mechanism comprises a left first driving motor 102 and a right first driving motor 103, the left first driving motor 102 and the right first driving motor 103 are respectively installed at the left and right ends of the front side of the beam frame 10; the left roller comprises a left driving wheel 104 and a left driven wheel 105, the left driving wheel 104 and the left driven wheel 105 are respectively installed at the front and rear ends of the left side of the lower end of the beam frame 10, the left first driving motor 102 drives the left driving wheel 104 to rotate; the right roller comprises a right driving wheel 106 and a right driven wheel 107, the right driving wheel 106 and the right driven wheel 107 are respectively installed at the front and rear ends of the right side of the lower end of the beam frame 10, the right first driving motor 103 drives the right driving wheel 106 to rotate.
[0045] The left and right ends of the upper side of the transverse rail are provided with a polyurethane buffer 101, the polyurethane buffer 101 is installed on the upper end of the beam frame 10 through a mounting frame 204, so that the polyurethane buffer 101 can buffer the movement of the moving seat 20.
[0046] The second driving mechanism comprises a second driving motor 108, the transmission wheels comprise a driving transmission wheel 109 and a driven transmission wheel 201, the driven transmission wheel 201 and the driving transmission wheel 109 are respectively installed on the front and back sides of the moving seat 20, the second driving motor 108 drives the driving transmission wheel 109 to rotate; the transverse rails comprise front side transverse rails 202 and back side transverse rails 203 which are symmetrically arranged in front and back directions, the driven transmission wheel 201 and the driving transmission wheel 109 are respectively adapted to the front side transverse rails 202 and the back side transverse rails 203; the left and right ends of the upper sides of the front side transverse rails 202 and the back side transverse rails 203 are respectively provided with the polyurethane buffers 101.
[0047] The beam frame 10 comprises a front beam 11, a back beam 12, a left beam 13 and a right beam 14, the left beam 13 and the right beam 14 extend in a vertical direction, the front beam 11 and the back beam 12 extend in a horizontal direction, the left beam 13 and the right beam 14 are symmetrically arranged in left and right directions, the front beam 11 and the back beam 12 are symmetrically arranged in front and back directions, the left ends of the front beam 11 and the back beam 12 are respectively connected to the front and back sides of the upper end of the left beam 13, and the right ends of the front beam 11 and the back beam 12 are respectively connected to the front and back sides of the upper end of the right beam 14.
[0048] The left side rollers and the right side rollers are respectively installed on the left beam 13 and the right beam 14, specifically, the left side driving wheel 104 and the left side driven wheel 105 are respectively installed on the front and back ends of the left beam 13, and the left side first driving motor 102 is installed on the right side of the front end of the left beam 13; the right side driving wheel 106 and the right side driven wheel 107 are respectively installed on the front and back ends of the right beam 14, and the right side first driving motor 103 is installed on the left side of the front end of the right beam 14.
[0049] The front beam 11 and the back beam 12 are respectively provided with the transverse rails, the moving seat 20 is respectively provided with the transmission wheels on the front and back sides, and the electric hoist 30 is located in the interval between the front beam 11 and the back beam 12; specifically, the front side transverse rails 202 and the back side transverse rails 203 are respectively installed on the front beam 11 and the back beam 12, and the polyurethane buffers 101 are installed on the left and right ends of the upper sides of the front beam 11 or the back beam 12 through a mounting frame 204.
[0050] As Figure 5As shown, the electric hoist bridge crane is applied to be installed in the house 302, the lower ends of the left support frame 40 and the right support frame 50 abut against the ground, the left support frame 40 and the right support frame 50 are fixed on the inner wall of the house 302 through the fixing frame 301 respectively, the controller 303 is arranged at the ground in the house 302, and the left first driving motor 102, the right first driving motor 103, the second driving motor 108 and the electric hoist 30 are controlled through the controller 303.
[0051] In summary, the utility model discloses the design emphasis lies in, it mainly is through setting up left vertical steel rail in the upper end of left support beam, right vertical steel rail is set up in the upper end of right support beam, and left side roller and right side roller are arranged respectively on the left and right sides of the lower end of crossbeam frame, left side roller, right side roller are adapted to left vertical steel rail, right vertical steel rail respectively, and the crossbeam frame is provided with the transverse steel rail extending along the transverse direction on the upper end, the transmission wheel is arranged on the moving seat, and the transmission wheel is adapted to the transverse steel rail, so that the roller and transmission wheel are all rolled on the steel rail, so that in the use process, sundries are not easy to fall on the steel rail, and the phenomenon that too much friction is produced between sundries or too much dust in the rolling process is not appeared, thereby reducing the abrasion, guaranteeing the service life, improve the stability and smoothness of rolling, and, the polyurethane bumper is arranged on the left and right ends of the upper side of the transverse steel rail, and the polyurethane bumper can buffer the movement of the moving seat.
[0052] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model to the above embodiment are still within the technical range of the utility model.
Claims
1. An electric hoist overhead crane, comprising a support frame and a beam frame arranged at the upper end of the support frame, wherein a first driving mechanism for driving the beam frame to move vertically on the support frame is arranged on the beam frame, a moving seat and a second driving mechanism mounted on the moving seat are arranged on the beam frame, the second driving mechanism drives the moving seat to move laterally on the beam frame, and an electric hoist is mounted on the moving seat; characterized in that: the support frame comprises left and right support frames symmetrically arranged at intervals, the upper end of the left support frame is provided with a left vertical support beam extending vertically, the upper end of the right support frame is provided with a right vertical support beam extending vertically, the upper end of the left vertical support beam is provided with a left vertical rail extending vertically, and the upper end of the right vertical support beam is provided with a right vertical rail extending vertically; left and right sides of the lower end of the beam frame are respectively provided with left and right rollers, the left and right rollers are respectively adapted to the left and right vertical rails, the upper end of the beam frame is provided with a horizontal rail extending horizontally, a transmission wheel is arranged on the moving seat and is adapted to the horizontal rail, and the upper side of the horizontal rail is provided with polyurethane buffers at its left and right ends. The first driving mechanism comprises left and right first driving motors which are respectively mounted at the left and right ends of the front side of the beam frame.
2. The electric rope hoist bridge crane of claim 1, wherein: The left roller comprises a left driving wheel and a left driven wheel, the left driving wheel and the left driven wheel are respectively mounted at the front and rear ends of the left side of the lower end of the beam frame, and the left first driving motor drives the left driving wheel to rotate.
3. The electric rope hoist bridge crane of claim 2, wherein: The right roller comprises a right driving wheel and a right driven wheel, the right driving wheel and the right driven wheel are respectively mounted at the front and rear ends of the right side of the lower end of the beam frame, and the right first driving motor drives the right driving wheel to rotate. The second driving mechanism comprises a second driving motor, the transmission wheel comprises a driving transmission wheel and a driven transmission wheel, the driven transmission wheel and the driving transmission wheel are respectively mounted at the front and rear sides of the moving seat, and the second driving motor drives the driving transmission wheel to rotate.
4. The electric rope bridge crane according to claim 1, characterized in that: The horizontal rail comprises front and rear horizontal rails symmetrically arranged at intervals, and the driven transmission wheel and the driving transmission wheel are respectively adapted to the front and rear horizontal rails.
5. The electric rope bridge crane according to claim 4, characterized in that: The polyurethane buffer is mounted on the upper end of the beam frame through a mounting frame.
6. The electric rope bridge crane according to claim 1, characterized in that: The beam frame comprises front and rear crossbeams and left and right crossbeams, the left and right crossbeams extend vertically, the front and rear crossbeams extend horizontally, the left and right crossbeams are symmetrically arranged at intervals, the front and rear crossbeams are arranged at intervals, the left ends of the front and rear crossbeams are respectively connected to the front and rear sides of the upper end of the left crossbeam, and the right ends of the front and rear crossbeams are respectively connected to the front and rear sides of the upper end of the right crossbeam.
7. The electric rope bridge crane according to claim 1, characterized in that: 8. The electric rope bridge crane according to claim 7, characterized in that: The left side roller and the right side roller are respectively installed on the left cross beam and the right cross beam, the front cross beam and the rear cross beam are provided with the transverse steel rails, the front side and the rear side of the moving seat are provided with the transmission wheels, and the electric hoist is located in the interval between the front cross beam and the rear cross beam.