CN213135621U - Front support welding auxiliary equipment for traction machine - Google Patents

Front support welding auxiliary equipment for traction machine Download PDF

Info

Publication number
CN213135621U
CN213135621U CN202021596046.1U CN202021596046U CN213135621U CN 213135621 U CN213135621 U CN 213135621U CN 202021596046 U CN202021596046 U CN 202021596046U CN 213135621 U CN213135621 U CN 213135621U
Authority
CN
China
Prior art keywords
positioning
base
rod
hole
blocks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021596046.1U
Other languages
Chinese (zh)
Inventor
姜远康
姚明武
姚国韬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zunyi Huihaiyuan Electromechanical Equipment Co ltd
Original Assignee
Zunyi Huihaiyuan Electromechanical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zunyi Huihaiyuan Electromechanical Equipment Co ltd filed Critical Zunyi Huihaiyuan Electromechanical Equipment Co ltd
Priority to CN202021596046.1U priority Critical patent/CN213135621U/en
Application granted granted Critical
Publication of CN213135621U publication Critical patent/CN213135621U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The scheme discloses front support welding auxiliary equipment for a tractor, which belongs to the field of tractor equipment and comprises a positioning device, a connecting device and a base, wherein the base is provided with a notch; the connecting device comprises a connecting rod and two connecting blocks; the top of the connecting block is provided with a communicating hole, and the connecting rod is fixedly connected at the notch; the positioning device comprises a positioning rod and two positioning blocks; the top of the positioning block is provided with a limiting hole, the positioning rod is connected to the notch in a sliding mode, and the sliding direction of the positioning rod is perpendicular to the length direction of the connecting rod; the length direction of locating lever and connecting rod is parallel, and the upper surface of locating piece and connecting block is in same horizontal plane and is not less than the upper surface of base. Because the distance between the intercommunicating pore on two connecting blocks is adjustable in this application, the distance between the spacing hole on two locating pieces is adjustable, and can adjust the width distance between the intercommunicating pore on spacing hole and the connecting block on the locating piece, and then can realize the welding assistance to multiple specification base and fore-stock.

Description

Front support welding auxiliary equipment for traction machine
Technical Field
The utility model belongs to hauler equipment field, in particular to fore-stock welding auxiliary assembly for hauler.
Background
Modern elevator mainly comprises hauler (winch), guide rail, counterweight, safety device, signal control system, car and room door etc.. The traction machine is power equipment of an elevator, is also called an elevator main machine and comprises a motor, a brake, a coupler, a reduction box, a traction wheel, a rack, a guide wheel, an auxiliary turning hand wheel and the like; the function is to transport and transmit power to run the elevator. When the elevator works, a steel wire is generally adopted for transmission, the steel wire rope bypasses a traction sheave, two ends of the steel wire rope are respectively connected with a lift car and a balance weight, and a motor drives the traction sheave to lift the lift car.
Motor and speed reducer part in the hauler need use motor housing, and motor housing comprises fore-stock and frame again, as the fore-stock shown in figure 1, including support body A and bottom plate D, support body A's center is provided with centre bore C, the top of fore-stock is equipped with four lugs B, support body A integrated into one piece is on bottom plate D, be equipped with connecting hole F and locating hole E on bottom plate D, connecting hole F and locating hole E all are equipped with two, two locating holes E are located between two connecting holes F, connecting hole F and locating hole E are not in same straight line. In order to ensure the integral stability of the motor shell, the base plate D and the base are connected through the connecting hole F and the positioning hole E, and the base plate D is welded on the base; when welding, the base needs to be fixed, then the bottom plate D is connected to the base through the connecting hole F and the positioning hole E, and after the bottom plate D and the base are fixed, the connecting position of the bottom plate D and the base is welded.
Currently, the fixing of the base is mainly performed by welding auxiliary equipment, the welding auxiliary equipment includes a base, and the base is provided with a limiting hole corresponding to a connecting hole F and a positioning hole E on a bottom plate D; when the base is fixed, the base passes through the connecting hole F/the positioning hole E of the base and the base by using a screw to be connected with the limiting hole, and then the base and the front support are fixed on the base. The sizes of the connecting holes F and the positioning holes E of the base plates D with different specifications are basically kept unchanged, but the distance between the two connecting holes F, the distance between the two positioning holes E and the distance between the connecting holes F and the positioning holes E are changed due to the change of the length and the width of the base plates D; the position of the limiting hole of the conventional welding auxiliary equipment is fixed, so that the welding auxiliary equipment can only assist one machine base and a front support to weld, the universality is poor, and the welding auxiliary equipment is difficult to assist the machine bases and the front supports of various specifications to weld.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fore-stock welding auxiliary assembly for hauler to the solution realizes the supplementary welding to multiple frame and fore-stock.
The front support welding auxiliary equipment for the tractor comprises a positioning device, a connecting device and a base, wherein a U-shaped notch is formed in the base; the connecting device comprises a connecting rod and two connecting blocks which are connected to the connecting rod in a sliding manner; the top of the connecting block is provided with a communicating hole, and the connecting rod is fixedly connected to the notch; the positioning device comprises a positioning rod and two positioning blocks connected to the positioning rod in a sliding manner; the top of the positioning block is provided with a limiting hole, the positioning rod is connected to the notch in a sliding mode, and the sliding direction of the positioning rod is perpendicular to the length direction of the connecting rod; the length direction of the positioning rod is parallel to that of the connecting rod, and the upper surface of the positioning block and the upper surface of the connecting block are positioned on the same horizontal plane and not lower than the upper surface of the base.
The working principle of the scheme is as follows: when the positioning device is used, the two positioning blocks are driven to slide on the positioning rods and the positions of the positioning rods at the notches are adjusted until the limiting holes in the two positioning blocks correspond to the positioning holes E in the front support bottom plate D; and then the two connecting blocks are driven to slide on the connecting rods, so that the communicating holes on the two connecting blocks correspond to the connecting holes F on the front support bottom plate D. Placing the base on the base, then placing the front support on the base, and ensuring that the connecting holes F and the positioning holes E on the base, the base and the bottom plate D correspond to each other in the vertical direction; then, connecting the base, the base and the front support by using screws; and welding the joint of the bottom plate D and the base by using welding equipment.
The beneficial effect of this scheme: this scheme can be through adjusting two connecting blocks position on the connecting rod, and then makes the distance of the intercommunicating pore on two connecting blocks correspond with connecting hole F on bottom plate D. The width distance between the limiting hole in the positioning block and the communicating hole in the connecting block can be adjusted by sliding the positioning rod; the distance between the two limiting holes on the positioning block can be adjusted by sliding the positioning block, so that the positioning block corresponds to the positions of the two positioning holes E on the bottom plate D. Because the distance between the intercommunicating pore on two connecting blocks is adjustable in this application, the distance between the spacing hole on two locating pieces is adjustable, and can adjust the width distance between the intercommunicating pore on spacing hole and the connecting block on the locating piece, and then can realize the welding assistance to multiple specification frame and fore-stock.
Furthermore, the connecting device also comprises a power mechanism for driving the two connecting blocks to move along opposite directions. Because the connecting holes F are symmetrically arranged on the front support bottom plate D, the two connecting blocks can slide by arranging the power mechanism, the sliding directions are opposite, the two connecting blocks can be adjusted at one time, and the efficiency is higher.
Further, the power mechanism comprises a first spring, a first gear, a first motor and a first conveyor belt; the first springs are provided with a plurality of side walls, two ends of each side wall are respectively connected with the connecting block and the notch, and the telescopic direction of each first spring is consistent with the sliding direction of the connecting block; the first motor is fixedly connected to the base, the first gear is fixedly connected to an output shaft of the first motor, two ends of the first conveying belt are respectively connected with the two connecting blocks, and teeth meshed with the first gear are arranged on the first conveying belt. Through first motor, first conveyer belt, the setting of first gear and first spring, when first motor starts, first motor drives first gear revolve, first gear drives first conveyer belt and removes, because all be equipped with first spring between breach lateral wall and the connecting block, when first gear drives the connecting block extrusion on first conveyer belt pulling right side and the first spring of being connected, the pulling force that the first spring of connecting the left side connecting block received reduces, thereby make before by tensile length part recover, thereby realize the slip to two connecting block equidirectional not.
Furthermore, the wall bodies on two sides of the notch are respectively provided with a through hole and a supporting hole, one end of the connecting rod penetrates through the through hole and is supported in the supporting hole, the other end of the connecting rod is provided with an external thread, and the connecting rod is connected in the through hole through the external thread. Through setting up the external screw thread with the one end of connecting rod, when being convenient for load and unload the connecting rod, avoided rocking of connecting rod.
Furthermore, the positioning device also comprises a driving mechanism for driving the two positioning blocks to move along opposite directions. Because the positioning holes E are symmetrically arranged on the front support bottom plate D, the two positioning blocks can slide by arranging the driving mechanism, the sliding directions are opposite, the two positioning blocks can be adjusted at one time, and the efficiency is higher.
Further, the driving mechanism comprises a second spring, a second gear, a second motor and a second conveyor belt; two fixing plates are fixed on the positioning rod, and two positioning blocks are positioned between the two fixing plates; the positioning rod is also fixedly connected with a supporting plate, and the supporting plate is positioned below the positioning rod; the second springs are provided with a plurality of ends which are respectively connected with the positioning blocks and the fixing plate, and the extension direction of the second springs is consistent with the sliding direction of the positioning blocks; the second motor is fixedly connected to the supporting plate, the second gear is fixedly connected to an output shaft of the second motor, two ends of the second conveyor belt are respectively connected with the two positioning blocks, and the second conveyor belt is provided with a belt tooth meshed with the second gear. Through the second motor, the second conveyer belt, the setting of second gear and second spring, when the second motor starts, the second motor drives the second gear and rotates, the second gear drives the second conveyer belt and removes, because all be equipped with the second spring between breach lateral wall and the locating piece, when the second gear drives the locating piece extrusion on second conveyer belt pulling right side and connected second spring, the pulling force that the second spring of connecting the left side locating piece received reduces, thereby make before by tensile length part recover, thereby realize the slip to two locating piece equidirectional not. Because the locating lever need slide in its width direction, through the setting of fixed plate and backup pad for when the locating lever slided, actuating mechanism was not influenced to the drive of locating piece.
Furthermore, two sliding grooves are formed in the base and are communicated with the notch, two threaded holes are formed in the base and are respectively communicated with the two sliding grooves, and the length direction of each threaded hole is consistent with the sliding direction of the positioning rod; the screw rods are connected in the two threaded holes in a threaded mode, one end of each screw rod is connected to the corresponding locating rod in a rotating mode, and the other end of each screw rod is located outside the corresponding base. Through the setting of screw rod, rotate the screw rod and can promote or spur the locating lever and slide in the spout.
Furthermore, the upper surfaces of the positioning block and the connecting block and the upper surface of the base are in the same horizontal plane. The upper surfaces of the positioning blocks and the connecting blocks are arranged to be in the same horizontal plane with the upper surface of the base, so that the base can support the base and the front support, and the base plate D and the base are more stable during welding.
Furthermore, the base is detachably connected with a supporting seat, the upper surface of the supporting seat and the upper surface of the base are located on the same horizontal plane, and the supporting seat is located on one side, away from the notch, of the base. Because the sizes of the front supports and the base in different specifications are different, when the base and the front support are large, the support seat can better support the base and the front support by adding the support seat.
Drawings
Fig. 1 is a schematic structural view of a front bracket for a traction machine in the prior art;
fig. 2 is a top view of a front stand welding auxiliary device for a traction machine according to embodiment 1 of the present invention;
FIG. 3 is a partial cross-sectional view of FIG. 2;
fig. 4 is a front view of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a frame body A, a lifting lug B, a center hole C, a bottom plate D, a positioning hole E, a connecting hole F, a base 1, external threads 2, a first spring 3, a connecting block 4, a communicating hole 5, a connecting rod 6, a limiting hole 7, a positioning block 8, a driving rod 9, a first motor 10, a supporting plate 11, a second motor 12, a second gear 13, a second conveyor belt 14, a positioning rod 15, a second spring 16, a fixing plate 17, a screw 18, a first conveyor belt 19, a first gear 20 and a connecting plate 21.
The front bracket for the tractor in the prior art is shown as the attached figure 1: including support body A and bottom plate D, support body A's center is provided with centre bore C, and the top of fore-stock is equipped with four lugs B, and support body A integrated into one piece is equipped with connecting hole F and locating hole E on bottom plate D on the bottom plate D, and connecting hole F and locating hole E all are equipped with two, and two locating holes E are located between two connecting holes F, and connecting hole F is not in same straight line with locating hole E.
Example 1 is substantially as shown in figures 2 to 4 of the accompanying drawings: a front support welding auxiliary device for a tractor comprises a positioning device, a connecting device and a base 1, wherein a U-shaped notch is formed in the base 1; the connecting device comprises a connecting rod 6, two connecting blocks 4 connected to the connecting rod 6 in a sliding manner and a power mechanism for driving the two connecting blocks 4 to move along opposite directions; the power mechanism comprises a first spring 3, a first gear 20, a first motor 10 and a first conveyor belt 19; the first springs 3 are provided with a plurality of side walls, two ends of each side wall are respectively connected with the connecting block 4 and the notch, and the extension direction of each first spring 3 is consistent with the sliding direction of the connecting block 4; the first motor 10 is fixedly connected to the outer wall of the base 1, an output shaft of the first motor 10 is fixedly connected with a driving rod 9, and the first gear 20 is fixedly connected to the output shaft of the first motor 10 through the driving rod 9, that is, the first gear 20 is fixedly connected to the driving rod 9; the bottom of the connecting block 4 far away from the first motor 10 is fixedly connected with a connecting plate 21, one end of the first conveyor belt 19 is connected with the connecting block 4 close to the first conveyor belt 19, and the other end of the first conveyor belt 19 is fixedly connected to the connecting block 4 through the connecting plate 21, namely the other end of the first conveyor belt 19 is fixedly connected to the connecting plate 21 of the connecting block 4; the first belt conveyor 19 is provided with belt teeth meshed with the first gear 20; the top of the connecting block 4 is provided with a communicating hole 5, the wall bodies at two sides of the gap are respectively provided with a through hole and a propping hole, one end of the connecting rod 6 penetrates through the through hole to prop and prop in the propping hole, the other end of the connecting rod 6 is provided with an external thread 2, and the connecting rod 6 is in threaded connection with the through hole through the external thread 2;
the positioning device comprises a positioning rod 15, two positioning blocks 8 connected to the positioning rod 15 in a sliding manner and a driving mechanism for driving the two positioning blocks 8 to move along opposite directions; the driving mechanism comprises a second spring 16, a second gear 13, a second motor 12 and a second conveyor belt 14; two fixing plates 17 are fixed on the positioning rod 15, and the two positioning blocks 8 are positioned between the two fixing plates 17; the positioning rod 15 is also fixedly connected with a supporting plate 11, and the supporting plate 11 is positioned below the positioning rod 15; the second springs 16 are provided with a plurality of parts, two ends of each part are respectively connected with the positioning block 8 and the fixing plate 17, and the extension direction of each second spring 16 is consistent with the sliding direction of the positioning block 8; the second motor 12 is fixedly connected to the support plate 11, the second gear 13 is fixedly connected to an output shaft of the second motor 12, the bottoms of the two positioning blocks 8 are also fixedly connected with the connecting plates 21, two ends of the second conveyor belt 14 are respectively and fixedly connected with the positioning blocks 8 through the two connecting plates 21, namely two ends of the second conveyor belt 14 are respectively and fixedly connected to the connecting plates 21 of the two positioning blocks 8, and the second conveyor belt 14 is provided with a belt tooth meshed with the second gear 13; the top of the positioning block 8 is provided with a limiting hole 7, the base 1 is provided with two sliding chutes which are communicated with the notch, the positioning rod 15 is connected in the sliding chutes in a sliding manner, the base 1 is provided with two threaded holes which are respectively communicated with the two sliding chutes, and the length direction of the threaded holes is consistent with the sliding direction of the positioning rod 15; a screw 18 is in threaded connection with each of the two threaded holes, one end of the screw 18 is rotatably connected to the positioning rod 15, and the other end of the screw 18 is positioned outside the base 1; the sliding direction of the positioning rod 15 is vertical to the length direction of the connecting rod 6; the length directions of the positioning rod 15 and the connecting rod 6 are parallel, and the upper surfaces of the positioning block 8 and the connecting block 4 are in the same horizontal plane with the upper surface of the base 1.
Example 2 differs from example 1 only in that: the supporting seat is detachably connected to the base 1, the upper surface of the supporting seat and the upper surface of the base 1 are located on the same horizontal plane, and the supporting seat is located on one side, far away from the notch, of the base 1.
Taking example 1 as an example: when the welding machine is used, the screw rod 18 is rotated clockwise, the screw rod 18 pushes the positioning rod 15 to move towards one side close to the connecting rod 6 until the width distance between the limiting hole 7 on the positioning block 8 and the communicating hole 5 on the connecting block 4 is consistent with the width distance between the connecting hole F and the positioning hole E on the machine base and the bottom plate D to be welded; and starting the second motor 12, driving the second gear 13 to rotate by the second motor 12, driving the second conveyor belt 14 to move by the second gear 13, and further controlling the distance between the limiting holes 7 on the two positioning blocks 8 until the positions of the limiting holes 7 on the two positioning blocks 8 correspond to the positions of the positioning holes E on the base and the bottom plate D to be welded. Then the first motor 10 drives the first gear 20 to rotate, and the first gear 20 drives the first conveyor belt 19 to move until the communicating holes 5 on the two connecting blocks 4 correspond to the connecting holes F on the base and the bottom plate D. Placing the base on the base 1, then placing the front support on the base, and ensuring that the communicating hole 5 and the limiting hole 7 on the base 1 correspond to the connecting hole F and the positioning hole E on the base and the bottom plate D in the vertical direction; then, the base 1, the base and the front bracket are connected by using screws; and welding the joint of the bottom plate D and the base by using welding equipment.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (9)

1. The utility model provides a fore-stock welding auxiliary assembly for hauler which characterized in that: the device comprises a positioning device, a connecting device and a base, wherein the base is provided with a U-shaped notch; the connecting device comprises a connecting rod and two connecting blocks which are connected to the connecting rod in a sliding manner; the top of the connecting block is provided with a communicating hole, and the connecting rod is fixedly connected to the notch; the positioning device comprises a positioning rod and two positioning blocks connected to the positioning rod in a sliding manner; the top of the positioning block is provided with a limiting hole, the positioning rod is connected to the notch in a sliding mode, and the sliding direction of the positioning rod is perpendicular to the length direction of the connecting rod; the length direction of the positioning rod is parallel to that of the connecting rod, and the upper surface of the positioning block and the upper surface of the connecting block are positioned on the same horizontal plane and not lower than the upper surface of the base.
2. The front stand welding auxiliary apparatus for a traction machine according to claim 1, characterized in that: the connecting device also comprises a power mechanism for driving the two connecting blocks to move along opposite directions.
3. The front stand welding auxiliary apparatus for a traction machine according to claim 2, characterized in that: the power mechanism comprises a first spring, a first gear, a first motor and a first conveyor belt; the first springs are provided with a plurality of side walls, two ends of each side wall are respectively connected with the connecting block and the notch, and the telescopic direction of each first spring is consistent with the sliding direction of the connecting block; the first motor is fixedly connected to the base, the first gear is fixedly connected to an output shaft of the first motor, two ends of the first conveying belt are respectively connected with the two connecting blocks, and teeth meshed with the first gear are arranged on the first conveying belt.
4. The front stand welding auxiliary apparatus for a traction machine according to claim 3, characterized in that: the wall bodies on two sides of the notch are respectively provided with a through hole and a supporting hole, one end of the connecting rod penetrates through the through hole and is supported in the supporting hole, the other end of the connecting rod is provided with an external thread, and the connecting rod is connected in the through hole through the external thread.
5. The front stand welding auxiliary apparatus for the traction machine according to any one of claims 1 to 4, characterized in that: the positioning device also comprises a driving mechanism for driving the two positioning blocks to move along opposite directions.
6. The front stand welding auxiliary apparatus for a traction machine according to claim 5, characterized in that: the driving mechanism comprises a second spring, a second gear, a second motor and a second conveyor belt; two fixing plates are fixed on the positioning rod, and two positioning blocks are positioned between the two fixing plates; the positioning rod is also fixedly connected with a supporting plate, and the supporting plate is positioned below the positioning rod; the second springs are provided with a plurality of ends which are respectively connected with the positioning blocks and the fixing plate, and the extension direction of the second springs is consistent with the sliding direction of the positioning blocks; the second motor is fixedly connected to the supporting plate, the second gear is fixedly connected to an output shaft of the second motor, two ends of the second conveyor belt are respectively connected with the two positioning blocks, and the second conveyor belt is provided with a belt tooth meshed with the second gear.
7. The front stand welding auxiliary apparatus for a traction machine according to claim 6, characterized in that: the base is provided with two sliding grooves which are communicated with the notch, the base is provided with two threaded holes which are respectively communicated with the two sliding grooves, and the length direction of the threaded holes is consistent with the sliding direction of the positioning rod; the screw rods are connected in the two threaded holes in a threaded mode, one end of each screw rod is connected to the corresponding locating rod in a rotating mode, and the other end of each screw rod is located outside the corresponding base.
8. The front stand welding auxiliary apparatus for a traction machine according to claim 7, characterized in that: the upper surfaces of the positioning blocks and the connecting blocks are positioned on the same horizontal plane with the upper surface of the base.
9. The front stand welding auxiliary apparatus for a traction machine according to claim 8, characterized in that: the base is detachably connected with a supporting seat, the upper surface of the supporting seat and the upper surface of the base are located on the same horizontal plane, and the supporting seat is located on one side, away from the notch, of the base.
CN202021596046.1U 2020-08-04 2020-08-04 Front support welding auxiliary equipment for traction machine Expired - Fee Related CN213135621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021596046.1U CN213135621U (en) 2020-08-04 2020-08-04 Front support welding auxiliary equipment for traction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021596046.1U CN213135621U (en) 2020-08-04 2020-08-04 Front support welding auxiliary equipment for traction machine

Publications (1)

Publication Number Publication Date
CN213135621U true CN213135621U (en) 2021-05-07

Family

ID=75736135

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021596046.1U Expired - Fee Related CN213135621U (en) 2020-08-04 2020-08-04 Front support welding auxiliary equipment for traction machine

Country Status (1)

Country Link
CN (1) CN213135621U (en)

Similar Documents

Publication Publication Date Title
CN210163041U (en) Lifting device of gate type plate shearing machine
CN112479050A (en) Hoist device for assembly type building construction
CN213135621U (en) Front support welding auxiliary equipment for traction machine
CN214527793U (en) Bridge steel structure lifting device
CN211664533U (en) Rotary lifting appliance for lifting segmental beam
CN211470530U (en) Slide rail hanger plate for mechanical automation equipment installation
CN213171186U (en) Hoist gate-type lifting equipment for speed reducer
CN208916655U (en) A kind of adjustable counter balance lifting device
CN111824972A (en) Crane with a movable crane
CN111636916A (en) Hoisting apparatus for tunnel construction
CN116119539A (en) Truck trades power station battery hoist and mount system
CN115575262A (en) Concrete floor prefab shock resistance testing arrangement
CN215402697U (en) Trackless rubber-tyred single-double speed electric hoist gantry crane
CN215666689U (en) Anti-shaking device for double-beam crane
CN211766378U (en) Aircraft generator dismouting car
CN213569305U (en) Hoisting equipment for connecting concrete prefabricated stairs
CN211169679U (en) Lifting type feeding device
CN110253183B (en) Auxiliary welding robot
CN207877166U (en) A kind of ocean winch
CN217808518U (en) Lifting machine for building engineering with protection mechanism
CN118387749B (en) Die lifting device for forging trailer hook
CN214243574U (en) Elevator car is with equipment platform device convenient to adjust
CN217398376U (en) Fork truck auxiliary device convenient to electric engineering construction is used
CN219860280U (en) Pin row installation auxiliary device
CN217350399U (en) A steady hoist device for production of sintering machine platform truck

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210507